49890398080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{8191}}^1$

素因数の和:8548

約数の個数: 128

約数和(自身を含む): 123532738560

約数和(自身を除く): 73642340480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 307, 310, 320, 496, 614, 620, 640, 992, 1228, 1240, 1535, 1984, 2456, 2480, 3070, 3968, 4912, 4960, 6140, 8191, 9517, 9824, 9920, 12280, 16382, 19034, 19648, 19840, 24560, 32764, 38068, 39296, 40955, 47585, 49120, 65528, 76136, 81910, 95170, 98240, 131056, 152272, 163820, 190340, 196480, 253921, 262112, 304544, 327640, 380680, 507842, 524224, 609088, 655280, 761360, 1015684, 1048448, 1218176, 1269605, 1310560, 1522720, 2031368, 2514637, 2539210, 2621120, 3045440, 4062736, 5029274, 5078420, 5242240, 6090880, 8125472, 10058548, 10156840, 12573185, 16250944, 20117096, 20313680, 25146370, 32501888, 40234192, 40627360, 50292740, 77953747, 80468384, 81254720, 100585480, 155907494, 160936768, 162509440, 201170960, 311814988, 321873536, 389768735, 402341920, 623629976, 779537470, 804683840, 1247259952, 1559074940, 1609367680, 2494519904, 3118149880, 4989039808, 6236299760, 9978079616, 12472599520, 24945199040, 49890398080]

約数ペア:

[(1, 49890398080), (2, 24945199040), (4, 12472599520), (5, 9978079616), (8, 6236299760), (10, 4989039808), (16, 3118149880), (20, 2494519904), (31, 1609367680), (32, 1559074940), (40, 1247259952), (62, 804683840), (64, 779537470), (80, 623629976), (124, 402341920), (128, 389768735), (155, 321873536), (160, 311814988), (248, 201170960), (307, 162509440), (310, 160936768), (320, 155907494), (496, 100585480), (614, 81254720), (620, 80468384), (640, 77953747), (992, 50292740), (1228, 40627360), (1240, 40234192), (1535, 32501888), (1984, 25146370), (2456, 20313680), (2480, 20117096), (3070, 16250944), (3968, 12573185), (4912, 10156840), (4960, 10058548), (6140, 8125472), (8191, 6090880), (9517, 5242240), (9824, 5078420), (9920, 5029274), (12280, 4062736), (16382, 3045440), (19034, 2621120), (19648, 2539210), (19840, 2514637), (24560, 2031368), (32764, 1522720), (38068, 1310560), (39296, 1269605), (40955, 1218176), (47585, 1048448), (49120, 1015684), (65528, 761360), (76136, 655280), (81910, 609088), (95170, 524224), (98240, 507842), (131056, 380680), (152272, 327640), (163820, 304544), (190340, 262112), (196480, 253921)]