7428980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28573}}^1$

素因数の和:28595

約数の個数: 24

約数和(自身を含む): 16801512

約数和(自身を除く): 9372532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28573, 57146, 114292, 142865, 285730, 371449, 571460, 742898, 1485796, 1857245, 3714490, 7428980]

約数ペア:

[(1, 7428980), (2, 3714490), (4, 1857245), (5, 1485796), (10, 742898), (13, 571460), (20, 371449), (26, 285730), (52, 142865), (65, 114292), (130, 57146), (260, 28573)]