64580360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124193}}^1$

素因数の和:124217

約数の個数: 32

約数和(自身を含む): 156484440

約数和(自身を除く): 91904080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 124193, 248386, 496772, 620965, 993544, 1241930, 1614509, 2483860, 3229018, 4967720, 6458036, 8072545, 12916072, 16145090, 32290180, 64580360]

約数ペア:

[(1, 64580360), (2, 32290180), (4, 16145090), (5, 12916072), (8, 8072545), (10, 6458036), (13, 4967720), (20, 3229018), (26, 2483860), (40, 1614509), (52, 1241930), (65, 993544), (104, 620965), (130, 496772), (260, 248386), (520, 124193)]