1145491640

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{44537}}^1$

素因数の和:45191

約数の個数: 32

約数和(自身を含む): 2581422480

約数和(自身を除く): 1435930840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 5144, 6430, 12860, 25720, 44537, 89074, 178148, 222685, 356296, 445370, 890740, 1781480, 28637291, 57274582, 114549164, 143186455, 229098328, 286372910, 572745820, 1145491640]

約数ペア:

[(1, 1145491640), (2, 572745820), (4, 286372910), (5, 229098328), (8, 143186455), (10, 114549164), (20, 57274582), (40, 28637291), (643, 1781480), (1286, 890740), (2572, 445370), (3215, 356296), (5144, 222685), (6430, 178148), (12860, 89074), (25720, 44537)]