145246040

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{22277}}^1$

素因数の和:22451

約数の個数: 32

約数和(自身を含む): 328823280

約数和(自身を除く): 183577240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 22277, 44554, 89108, 111385, 178216, 222770, 445540, 891080, 3631151, 7262302, 14524604, 18155755, 29049208, 36311510, 72623020, 145246040]

約数ペア:

[(1, 145246040), (2, 72623020), (4, 36311510), (5, 29049208), (8, 18155755), (10, 14524604), (20, 7262302), (40, 3631151), (163, 891080), (326, 445540), (652, 222770), (815, 178216), (1304, 111385), (1630, 89108), (3260, 44554), (6520, 22277)]