39968720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4129}}^1$

素因数の和:4164

約数の個数: 60

約数和(自身を含む): 102167940

約数和(自身を除く): 62199220

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4129, 4840, 8258, 9680, 16516, 20645, 33032, 41290, 45419, 66064, 82580, 90838, 165160, 181676, 227095, 330320, 363352, 454190, 499609, 726704, 908380, 999218, 1816760, 1998436, 2498045, 3633520, 3996872, 4996090, 7993744, 9992180, 19984360, 39968720]

約数ペア:

[(1, 39968720), (2, 19984360), (4, 9992180), (5, 7993744), (8, 4996090), (10, 3996872), (11, 3633520), (16, 2498045), (20, 1998436), (22, 1816760), (40, 999218), (44, 908380), (55, 726704), (80, 499609), (88, 454190), (110, 363352), (121, 330320), (176, 227095), (220, 181676), (242, 165160), (440, 90838), (484, 82580), (605, 66064), (880, 45419), (968, 41290), (1210, 33032), (1936, 20645), (2420, 16516), (4129, 9680), (4840, 8258)]