68468140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3709}}^1$

素因数の和:3802

約数の個数: 48

約数和(自身を含む): 157066560

約数和(自身を除く): 88598420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 3709, 4615, 7418, 9230, 14836, 18460, 18545, 37090, 48217, 74180, 96434, 192868, 241085, 263339, 482170, 526678, 964340, 1053356, 1316695, 2633390, 3423407, 5266780, 6846814, 13693628, 17117035, 34234070, 68468140]

約数ペア:

[(1, 68468140), (2, 34234070), (4, 17117035), (5, 13693628), (10, 6846814), (13, 5266780), (20, 3423407), (26, 2633390), (52, 1316695), (65, 1053356), (71, 964340), (130, 526678), (142, 482170), (260, 263339), (284, 241085), (355, 192868), (710, 96434), (923, 74180), (1420, 48217), (1846, 37090), (3692, 18545), (3709, 18460), (4615, 14836), (7418, 9230)]