289226480

素因数分解:

$2^4\times 5^1\times {\mathrm{3615331}}^1$

素因数の和:3615344

約数の個数: 20

約数和(自身を含む): 672451752

約数和(自身を除く): 383225272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3615331, 7230662, 14461324, 18076655, 28922648, 36153310, 57845296, 72306620, 144613240, 289226480]

約数ペア:

[(1, 289226480), (2, 144613240), (4, 72306620), (5, 57845296), (8, 36153310), (10, 28922648), (16, 18076655), (20, 14461324), (40, 7230662), (80, 3615331)]