28849160

素因数分解:

$2^3\times 5^1\times {\mathrm{721229}}^1$

素因数の和:721240

約数の個数: 16

約数和(自身を含む): 64910700

約数和(自身を除く): 36061540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 721229, 1442458, 2884916, 3606145, 5769832, 7212290, 14424580, 28849160]

約数ペア:

[(1, 28849160), (2, 14424580), (4, 7212290), (5, 5769832), (8, 3606145), (10, 2884916), (20, 1442458), (40, 721229)]