1915640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 4369680

約数和(自身を除く): 2454040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 577, 664, 830, 1154, 1660, 2308, 2885, 3320, 4616, 5770, 11540, 23080, 47891, 95782, 191564, 239455, 383128, 478910, 957820, 1915640]

約数ペア:

[(1, 1915640), (2, 957820), (4, 478910), (5, 383128), (8, 239455), (10, 191564), (20, 95782), (40, 47891), (83, 23080), (166, 11540), (332, 5770), (415, 4616), (577, 3320), (664, 2885), (830, 2308), (1154, 1660)]