4495291280

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{208889}}^1$

素因数の和:209171

約数の個数: 40

約数和(自身を含む): 10490455800

約数和(自身を除く): 5995164520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 10760, 21520, 208889, 417778, 835556, 1044445, 1671112, 2088890, 3342224, 4177780, 8355560, 16711120, 56191141, 112382282, 224764564, 280955705, 449529128, 561911410, 899058256, 1123822820, 2247645640, 4495291280]

約数ペア:

[(1, 4495291280), (2, 2247645640), (4, 1123822820), (5, 899058256), (8, 561911410), (10, 449529128), (16, 280955705), (20, 224764564), (40, 112382282), (80, 56191141), (269, 16711120), (538, 8355560), (1076, 4177780), (1345, 3342224), (2152, 2088890), (2690, 1671112), (4304, 1044445), (5380, 835556), (10760, 417778), (21520, 208889)]