15661019180

素因数分解:

$2^2\times 5^1\times {\mathrm{13399}}^1\times {\mathrm{58441}}^1$

素因数の和:71849

約数の個数: 24

約数和(自身を含む): 32891157600

約数和(自身を除く): 17230138420

約数列:

[1, 2, 4, 5, 10, 20, 13399, 26798, 53596, 58441, 66995, 116882, 133990, 233764, 267980, 292205, 584410, 1168820, 783050959, 1566101918, 3132203836, 3915254795, 7830509590, 15661019180]

約数ペア:

[(1, 15661019180), (2, 7830509590), (4, 3915254795), (5, 3132203836), (10, 1566101918), (20, 783050959), (13399, 1168820), (26798, 584410), (53596, 292205), (58441, 267980), (66995, 233764), (116882, 133990)]