15740140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60539}}^1$

素因数の和:60561

約数の個数: 24

約数和(自身を含む): 35597520

約数和(自身を除く): 19857380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 60539, 121078, 242156, 302695, 605390, 787007, 1210780, 1574014, 3148028, 3935035, 7870070, 15740140]

約数ペア:

[(1, 15740140), (2, 7870070), (4, 3935035), (5, 3148028), (10, 1574014), (13, 1210780), (20, 787007), (26, 605390), (52, 302695), (65, 242156), (130, 121078), (260, 60539)]