2558465120

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{225217}}^1$

素因数の和:225303

約数の個数: 48

約数和(自身を含む): 6129533088

約数和(自身を除く): 3571067968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 11360, 225217, 450434, 900868, 1126085, 1801736, 2252170, 3603472, 4504340, 7206944, 9008680, 15990407, 18017360, 31980814, 36034720, 63961628, 79952035, 127923256, 159904070, 255846512, 319808140, 511693024, 639616280, 1279232560, 2558465120]

約数ペア:

[(1, 2558465120), (2, 1279232560), (4, 639616280), (5, 511693024), (8, 319808140), (10, 255846512), (16, 159904070), (20, 127923256), (32, 79952035), (40, 63961628), (71, 36034720), (80, 31980814), (142, 18017360), (160, 15990407), (284, 9008680), (355, 7206944), (568, 4504340), (710, 3603472), (1136, 2252170), (1420, 1801736), (2272, 1126085), (2840, 900868), (5680, 450434), (11360, 225217)]