90755960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{55339}}^1$

素因数の和:55391

約数の個数: 32

約数和(自身を含む): 209185200

約数和(自身を除く): 118429240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 55339, 110678, 221356, 276695, 442712, 553390, 1106780, 2213560, 2268899, 4537798, 9075596, 11344495, 18151192, 22688990, 45377980, 90755960]

約数ペア:

[(1, 90755960), (2, 45377980), (4, 22688990), (5, 18151192), (8, 11344495), (10, 9075596), (20, 4537798), (40, 2268899), (41, 2213560), (82, 1106780), (164, 553390), (205, 442712), (328, 276695), (410, 221356), (820, 110678), (1640, 55339)]