87885550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1093

約数の個数: 48

約数和(自身を含む): 171520272

約数和(自身を除く): 83634722

約数列:

[1, 2, 5, 10, 25, 41, 43, 50, 82, 86, 205, 215, 410, 430, 997, 1025, 1075, 1763, 1994, 2050, 2150, 3526, 4985, 8815, 9970, 17630, 24925, 40877, 42871, 44075, 49850, 81754, 85742, 88150, 204385, 214355, 408770, 428710, 1021925, 1071775, 1757711, 2043850, 2143550, 3515422, 8788555, 17577110, 43942775, 87885550]

約数ペア:

[(1, 87885550), (2, 43942775), (5, 17577110), (10, 8788555), (25, 3515422), (41, 2143550), (43, 2043850), (50, 1757711), (82, 1071775), (86, 1021925), (205, 428710), (215, 408770), (410, 214355), (430, 204385), (997, 88150), (1025, 85742), (1075, 81754), (1763, 49850), (1994, 44075), (2050, 42871), (2150, 40877), (3526, 24925), (4985, 17630), (8815, 9970)]