99180560

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{12781}}^1$

素因数の和:12891

約数の個数: 40

約数和(自身を含む): 232990296

約数和(自身を除く): 133809736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 12781, 25562, 51124, 63905, 102248, 127810, 204496, 255620, 511240, 1022480, 1239757, 2479514, 4959028, 6198785, 9918056, 12397570, 19836112, 24795140, 49590280, 99180560]

約数ペア:

[(1, 99180560), (2, 49590280), (4, 24795140), (5, 19836112), (8, 12397570), (10, 9918056), (16, 6198785), (20, 4959028), (40, 2479514), (80, 1239757), (97, 1022480), (194, 511240), (388, 255620), (485, 204496), (776, 127810), (970, 102248), (1552, 63905), (1940, 51124), (3880, 25562), (7760, 12781)]