49590280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{12781}}^1$

素因数の和:12889

約数の個数: 32

約数和(自身を含む): 112737240

約数和(自身を除く): 63146960

約数列:

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

約数ペア:

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