260097940

素因数分解:

$2^2\times 5^1\times {\mathrm{1523}}^1\times {\mathrm{8539}}^1$

素因数の和:10071

約数の個数: 24

約数和(自身を含む): 546628320

約数和(自身を除く): 286530380

約数列:

[1, 2, 4, 5, 10, 20, 1523, 3046, 6092, 7615, 8539, 15230, 17078, 30460, 34156, 42695, 85390, 170780, 13004897, 26009794, 52019588, 65024485, 130048970, 260097940]

約数ペア:

[(1, 260097940), (2, 130048970), (4, 65024485), (5, 52019588), (10, 26009794), (20, 13004897), (1523, 170780), (3046, 85390), (6092, 42695), (7615, 34156), (8539, 30460), (15230, 17078)]