12838245760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{8191}}^1$

素因数の和:8320

約数の個数: 128

約数和(自身を含む): 32086425600

約数和(自身を除く): 19248179840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 128, 155, 158, 160, 248, 310, 316, 320, 395, 496, 620, 632, 640, 790, 992, 1240, 1264, 1580, 1984, 2449, 2480, 2528, 3160, 3968, 4898, 4960, 5056, 6320, 8191, 9796, 9920, 10112, 12245, 12640, 16382, 19592, 19840, 24490, 25280, 32764, 39184, 40955, 48980, 50560, 65528, 78368, 81910, 97960, 131056, 156736, 163820, 195920, 253921, 262112, 313472, 327640, 391840, 507842, 524224, 647089, 655280, 783680, 1015684, 1048448, 1269605, 1294178, 1310560, 1567360, 2031368, 2539210, 2588356, 2621120, 3235445, 4062736, 5078420, 5176712, 5242240, 6470890, 8125472, 10156840, 10353424, 12941780, 16250944, 20059759, 20313680, 20706848, 25883560, 32501888, 40119518, 40627360, 41413696, 51767120, 80239036, 81254720, 82827392, 100298795, 103534240, 160478072, 162509440, 200597590, 207068480, 320956144, 401195180, 414136960, 641912288, 802390360, 1283824576, 1604780720, 2567649152, 3209561440, 6419122880, 12838245760]

約数ペア:

[(1, 12838245760), (2, 6419122880), (4, 3209561440), (5, 2567649152), (8, 1604780720), (10, 1283824576), (16, 802390360), (20, 641912288), (31, 414136960), (32, 401195180), (40, 320956144), (62, 207068480), (64, 200597590), (79, 162509440), (80, 160478072), (124, 103534240), (128, 100298795), (155, 82827392), (158, 81254720), (160, 80239036), (248, 51767120), (310, 41413696), (316, 40627360), (320, 40119518), (395, 32501888), (496, 25883560), (620, 20706848), (632, 20313680), (640, 20059759), (790, 16250944), (992, 12941780), (1240, 10353424), (1264, 10156840), (1580, 8125472), (1984, 6470890), (2449, 5242240), (2480, 5176712), (2528, 5078420), (3160, 4062736), (3968, 3235445), (4898, 2621120), (4960, 2588356), (5056, 2539210), (6320, 2031368), (8191, 1567360), (9796, 1310560), (9920, 1294178), (10112, 1269605), (12245, 1048448), (12640, 1015684), (16382, 783680), (19592, 655280), (19840, 647089), (24490, 524224), (25280, 507842), (32764, 391840), (39184, 327640), (40955, 313472), (48980, 262112), (50560, 253921), (65528, 195920), (78368, 163820), (81910, 156736), (97960, 131056)]