49637120

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 135639840

約数和(自身を除く): 86002720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 157, 160, 190, 208, 247, 256, 260, 304, 314, 320, 380, 416, 494, 520, 608, 628, 640, 760, 785, 832, 988, 1040, 1216, 1235, 1256, 1280, 1520, 1570, 1664, 1976, 2041, 2080, 2432, 2470, 2512, 2983, 3040, 3140, 3328, 3952, 4082, 4160, 4864, 4940, 5024, 5966, 6080, 6280, 7904, 8164, 8320, 9880, 10048, 10205, 11932, 12160, 12560, 14915, 15808, 16328, 16640, 19760, 20096, 20410, 23864, 24320, 25120, 29830, 31616, 32656, 38779, 39520, 40192, 40820, 47728, 50240, 59660, 63232, 65312, 77558, 79040, 81640, 95456, 100480, 119320, 130624, 155116, 158080, 163280, 190912, 193895, 200960, 238640, 261248, 310232, 316160, 326560, 381824, 387790, 477280, 522496, 620464, 653120, 763648, 775580, 954560, 1240928, 1306240, 1551160, 1909120, 2481856, 2612480, 3102320, 3818240, 4963712, 6204640, 9927424, 12409280, 24818560, 49637120]

約数ペア:

[(1, 49637120), (2, 24818560), (4, 12409280), (5, 9927424), (8, 6204640), (10, 4963712), (13, 3818240), (16, 3102320), (19, 2612480), (20, 2481856), (26, 1909120), (32, 1551160), (38, 1306240), (40, 1240928), (52, 954560), (64, 775580), (65, 763648), (76, 653120), (80, 620464), (95, 522496), (104, 477280), (128, 387790), (130, 381824), (152, 326560), (157, 316160), (160, 310232), (190, 261248), (208, 238640), (247, 200960), (256, 193895), (260, 190912), (304, 163280), (314, 158080), (320, 155116), (380, 130624), (416, 119320), (494, 100480), (520, 95456), (608, 81640), (628, 79040), (640, 77558), (760, 65312), (785, 63232), (832, 59660), (988, 50240), (1040, 47728), (1216, 40820), (1235, 40192), (1256, 39520), (1280, 38779), (1520, 32656), (1570, 31616), (1664, 29830), (1976, 25120), (2041, 24320), (2080, 23864), (2432, 20410), (2470, 20096), (2512, 19760), (2983, 16640), (3040, 16328), (3140, 15808), (3328, 14915), (3952, 12560), (4082, 12160), (4160, 11932), (4864, 10205), (4940, 10048), (5024, 9880), (5966, 8320), (6080, 8164), (6280, 7904)]