16540580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{118147}}^1$

素因数の和:118163

約数の個数: 24

約数和(自身を含む): 39697728

約数和(自身を除く): 23157148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 118147, 236294, 472588, 590735, 827029, 1181470, 1654058, 2362940, 3308116, 4135145, 8270290, 16540580]

約数ペア:

[(1, 16540580), (2, 8270290), (4, 4135145), (5, 3308116), (7, 2362940), (10, 1654058), (14, 1181470), (20, 827029), (28, 590735), (35, 472588), (70, 236294), (140, 118147)]