25217790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64661}}^1$

素因数の和:64684

約数の個数: 32

約数和(自身を含む): 65179296

約数和(自身を除く): 39961506

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 64661, 129322, 193983, 323305, 387966, 646610, 840593, 969915, 1681186, 1939830, 2521779, 4202965, 5043558, 8405930, 12608895, 25217790]

約数ペア:

[(1, 25217790), (2, 12608895), (3, 8405930), (5, 5043558), (6, 4202965), (10, 2521779), (13, 1939830), (15, 1681186), (26, 969915), (30, 840593), (39, 646610), (65, 387966), (78, 323305), (130, 193983), (195, 129322), (390, 64661)]