64220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:54

約数の個数: 36

約数和(自身を含む): 153720

約数和(自身を除く): 89500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 845, 988, 1235, 1690, 2470, 3211, 3380, 4940, 6422, 12844, 16055, 32110, 64220]

約数ペア:

[(1, 64220), (2, 32110), (4, 16055), (5, 12844), (10, 6422), (13, 4940), (19, 3380), (20, 3211), (26, 2470), (38, 1690), (52, 1235), (65, 988), (76, 845), (95, 676), (130, 494), (169, 380), (190, 338), (247, 260)]