145702180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{560393}}^1$

素因数の和:560415

約数の個数: 24

約数和(自身を含む): 329511672

約数和(自身を除く): 183809492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 560393, 1120786, 2241572, 2801965, 5603930, 7285109, 11207860, 14570218, 29140436, 36425545, 72851090, 145702180]

約数ペア:

[(1, 145702180), (2, 72851090), (4, 36425545), (5, 29140436), (10, 14570218), (13, 11207860), (20, 7285109), (26, 5603930), (52, 2801965), (65, 2241572), (130, 1120786), (260, 560393)]