13291210480

素因数分解:

$2^4\times 5^1\times {\mathrm{166140131}}^1$

素因数の和:166140144

約数の個数: 20

約数和(自身を含む): 30902064552

約数和(自身を除く): 17610854072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 166140131, 332280262, 664560524, 830700655, 1329121048, 1661401310, 2658242096, 3322802620, 6645605240, 13291210480]

約数ペア:

[(1, 13291210480), (2, 6645605240), (4, 3322802620), (5, 2658242096), (8, 1661401310), (10, 1329121048), (16, 830700655), (20, 664560524), (40, 332280262), (80, 166140131)]