6465680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6217}}^1$

素因数の和:6243

約数の個数: 40

約数和(自身を含む): 16191672

約数和(自身を除く): 9725992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 6217, 12434, 24868, 31085, 49736, 62170, 80821, 99472, 124340, 161642, 248680, 323284, 404105, 497360, 646568, 808210, 1293136, 1616420, 3232840, 6465680]

約数ペア:

[(1, 6465680), (2, 3232840), (4, 1616420), (5, 1293136), (8, 808210), (10, 646568), (13, 497360), (16, 404105), (20, 323284), (26, 248680), (40, 161642), (52, 124340), (65, 99472), (80, 80821), (104, 62170), (130, 49736), (208, 31085), (260, 24868), (520, 12434), (1040, 6217)]