164743280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158407}}^1$

素因数の和:158433

約数の個数: 40

約数和(自身を含む): 412494432

約数和(自身を除く): 247751152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 158407, 316814, 633628, 792035, 1267256, 1584070, 2059291, 2534512, 3168140, 4118582, 6336280, 8237164, 10296455, 12672560, 16474328, 20592910, 32948656, 41185820, 82371640, 164743280]

約数ペア:

[(1, 164743280), (2, 82371640), (4, 41185820), (5, 32948656), (8, 20592910), (10, 16474328), (13, 12672560), (16, 10296455), (20, 8237164), (26, 6336280), (40, 4118582), (52, 3168140), (65, 2534512), (80, 2059291), (104, 1584070), (130, 1267256), (208, 792035), (260, 633628), (520, 316814), (1040, 158407)]