2538340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{18131}}^1$

素因数の和:18147

約数の個数: 24

約数和(自身を含む): 6092352

約数和(自身を除く): 3554012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 18131, 36262, 72524, 90655, 126917, 181310, 253834, 362620, 507668, 634585, 1269170, 2538340]

約数ペア:

[(1, 2538340), (2, 1269170), (4, 634585), (5, 507668), (7, 362620), (10, 253834), (14, 181310), (20, 126917), (28, 90655), (35, 72524), (70, 36262), (140, 18131)]