451243640

素因数分解:

$2^3\times 5^1\times {\mathrm{11281091}}^1$

素因数の和:11281102

約数の個数: 16

約数和(自身を含む): 1015298280

約数和(自身を除く): 564054640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 11281091, 22562182, 45124364, 56405455, 90248728, 112810910, 225621820, 451243640]

約数ペア:

[(1, 451243640), (2, 225621820), (4, 112810910), (5, 90248728), (8, 56405455), (10, 45124364), (20, 22562182), (40, 11281091)]