90449960

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{11839}}^1$

素因数の和:12041

約数の個数: 32

約数和(自身を含む): 204595200

約数和(自身を除く): 114145240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 11839, 23678, 47356, 59195, 94712, 118390, 236780, 473560, 2261249, 4522498, 9044996, 11306245, 18089992, 22612490, 45224980, 90449960]

約数ペア:

[(1, 90449960), (2, 45224980), (4, 22612490), (5, 18089992), (8, 11306245), (10, 9044996), (20, 4522498), (40, 2261249), (191, 473560), (382, 236780), (764, 118390), (955, 94712), (1528, 59195), (1910, 47356), (3820, 23678), (7640, 11839)]