70639640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21277}}^1$

素因数の和:21371

約数の個数: 32

約数和(自身を含む): 160861680

約数和(自身を除く): 90222040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 21277, 42554, 85108, 106385, 170216, 212770, 425540, 851080, 1765991, 3531982, 7063964, 8829955, 14127928, 17659910, 35319820, 70639640]

約数ペア:

[(1, 70639640), (2, 35319820), (4, 17659910), (5, 14127928), (8, 8829955), (10, 7063964), (20, 3531982), (40, 1765991), (83, 851080), (166, 425540), (332, 212770), (415, 170216), (664, 106385), (830, 85108), (1660, 42554), (3320, 21277)]