40406288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2459}}^1$

素因数の和:2559

約数の個数: 40

約数和(自身を含む): 85411200

約数和(自身を除く): 45004912

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 2054, 2459, 4108, 4918, 8216, 9836, 16432, 19672, 31967, 39344, 63934, 127868, 194261, 255736, 388522, 511472, 777044, 1554088, 2525393, 3108176, 5050786, 10101572, 20203144, 40406288]

約数ペア:

[(1, 40406288), (2, 20203144), (4, 10101572), (8, 5050786), (13, 3108176), (16, 2525393), (26, 1554088), (52, 777044), (79, 511472), (104, 388522), (158, 255736), (208, 194261), (316, 127868), (632, 63934), (1027, 39344), (1264, 31967), (2054, 19672), (2459, 16432), (4108, 9836), (4918, 8216)]