520213360

素因数分解:

$2^4\times 5^1\times {\mathrm{6502667}}^1$

素因数の和:6502680

約数の個数: 20

約数和(自身を含む): 1209496248

約数和(自身を除く): 689282888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6502667, 13005334, 26010668, 32513335, 52021336, 65026670, 104042672, 130053340, 260106680, 520213360]

約数ペア:

[(1, 520213360), (2, 260106680), (4, 130053340), (5, 104042672), (8, 65026670), (10, 52021336), (16, 32513335), (20, 26010668), (40, 13005334), (80, 6502667)]