30420640

素因数分解:

$2^5\times 5^1\times {\mathrm{190129}}^1$

素因数の和:190144

約数の個数: 24

約数和(自身を含む): 71869140

約数和(自身を除く): 41448500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 190129, 380258, 760516, 950645, 1521032, 1901290, 3042064, 3802580, 6084128, 7605160, 15210320, 30420640]

約数ペア:

[(1, 30420640), (2, 15210320), (4, 7605160), (5, 6084128), (8, 3802580), (10, 3042064), (16, 1901290), (20, 1521032), (32, 950645), (40, 760516), (80, 380258), (160, 190129)]