85598980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{751}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 185713920

約数和(自身を除く): 100114940

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 139, 164, 205, 278, 410, 556, 695, 751, 820, 1390, 1502, 2780, 3004, 3755, 5699, 7510, 11398, 15020, 22796, 28495, 30791, 56990, 61582, 104389, 113980, 123164, 153955, 208778, 307910, 417556, 521945, 615820, 1043890, 2087780, 4279949, 8559898, 17119796, 21399745, 42799490, 85598980]

約数ペア:

[(1, 85598980), (2, 42799490), (4, 21399745), (5, 17119796), (10, 8559898), (20, 4279949), (41, 2087780), (82, 1043890), (139, 615820), (164, 521945), (205, 417556), (278, 307910), (410, 208778), (556, 153955), (695, 123164), (751, 113980), (820, 104389), (1390, 61582), (1502, 56990), (2780, 30791), (3004, 28495), (3755, 22796), (5699, 15020), (7510, 11398)]