64462780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{38833}}^1$

素因数の和:38925

約数の個数: 24

約数和(自身を含む): 137006352

約数和(自身を除く): 72543572

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 38833, 77666, 155332, 194165, 388330, 776660, 3223139, 6446278, 12892556, 16115695, 32231390, 64462780]

約数ペア:

[(1, 64462780), (2, 32231390), (4, 16115695), (5, 12892556), (10, 6446278), (20, 3223139), (83, 776660), (166, 388330), (332, 194165), (415, 155332), (830, 77666), (1660, 38833)]