13617980

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1951}}^1$

素因数の和:2309

約数の個数: 24

約数和(自身を含む): 28694400

約数和(自身を除く): 15076420

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 1951, 3490, 3902, 6980, 7804, 9755, 19510, 39020, 680899, 1361798, 2723596, 3404495, 6808990, 13617980]

約数ペア:

[(1, 13617980), (2, 6808990), (4, 3404495), (5, 2723596), (10, 1361798), (20, 680899), (349, 39020), (698, 19510), (1396, 9755), (1745, 7804), (1951, 6980), (3490, 3902)]