202149680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61631}}^1$

素因数の和:61685

約数の個数: 40

約数和(自身を含む): 481469184

約数和(自身を除く): 279319504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 61631, 123262, 246524, 308155, 493048, 616310, 986096, 1232620, 2465240, 2526871, 4930480, 5053742, 10107484, 12634355, 20214968, 25268710, 40429936, 50537420, 101074840, 202149680]

約数ペア:

[(1, 202149680), (2, 101074840), (4, 50537420), (5, 40429936), (8, 25268710), (10, 20214968), (16, 12634355), (20, 10107484), (40, 5053742), (41, 4930480), (80, 2526871), (82, 2465240), (164, 1232620), (205, 986096), (328, 616310), (410, 493048), (656, 308155), (820, 246524), (1640, 123262), (3280, 61631)]