65006680

素因数分解:

$2^3\times 5^1\times {\mathrm{1625167}}^1$

素因数の和:1625178

約数の個数: 16

約数和(自身を含む): 146265120

約数和(自身を除く): 81258440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1625167, 3250334, 6500668, 8125835, 13001336, 16251670, 32503340, 65006680]

約数ペア:

[(1, 65006680), (2, 32503340), (4, 16251670), (5, 13001336), (8, 8125835), (10, 6500668), (20, 3250334), (40, 1625167)]