126747640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{38177}}^1$

素因数の和:38271

約数の個数: 32

約数和(自身を含む): 288625680

約数和(自身を除く): 161878040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 38177, 76354, 152708, 190885, 305416, 381770, 763540, 1527080, 3168691, 6337382, 12674764, 15843455, 25349528, 31686910, 63373820, 126747640]

約数ペア:

[(1, 126747640), (2, 63373820), (4, 31686910), (5, 25349528), (8, 15843455), (10, 12674764), (20, 6337382), (40, 3168691), (83, 1527080), (166, 763540), (332, 381770), (415, 305416), (664, 190885), (830, 152708), (1660, 76354), (3320, 38177)]