84915640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25577}}^1$

素因数の和:25671

約数の個数: 32

約数和(自身を含む): 193369680

約数和(自身を除く): 108454040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 25577, 51154, 102308, 127885, 204616, 255770, 511540, 1023080, 2122891, 4245782, 8491564, 10614455, 16983128, 21228910, 42457820, 84915640]

約数ペア:

[(1, 84915640), (2, 42457820), (4, 21228910), (5, 16983128), (8, 10614455), (10, 8491564), (20, 4245782), (40, 2122891), (83, 1023080), (166, 511540), (332, 255770), (415, 204616), (664, 127885), (830, 102308), (1660, 51154), (3320, 25577)]