79937440

素因数分解:

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

素因数の和:4166

約数の個数: 72

約数和(自身を含む): 207631620

約数和(自身を除く): 127694180

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4129, 4840, 8258, 9680, 16516, 19360, 20645, 33032, 41290, 45419, 66064, 82580, 90838, 132128, 165160, 181676, 227095, 330320, 363352, 454190, 499609, 660640, 726704, 908380, 999218, 1453408, 1816760, 1998436, 2498045, 3633520, 3996872, 4996090, 7267040, 7993744, 9992180, 15987488, 19984360, 39968720, 79937440]

約数ペア:

[(1, 79937440), (2, 39968720), (4, 19984360), (5, 15987488), (8, 9992180), (10, 7993744), (11, 7267040), (16, 4996090), (20, 3996872), (22, 3633520), (32, 2498045), (40, 1998436), (44, 1816760), (55, 1453408), (80, 999218), (88, 908380), (110, 726704), (121, 660640), (160, 499609), (176, 454190), (220, 363352), (242, 330320), (352, 227095), (440, 181676), (484, 165160), (605, 132128), (880, 90838), (968, 82580), (1210, 66064), (1760, 45419), (1936, 41290), (2420, 33032), (3872, 20645), (4129, 19360), (4840, 16516), (8258, 9680)]