68195660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8461}}^1$

素因数の和:8514

約数の個数: 48

約数和(自身を含む): 159220992

約数和(自身を除く): 91025332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 8461, 16922, 33844, 42305, 84610, 109993, 169220, 219986, 262291, 439972, 524582, 549965, 1049164, 1099930, 1311455, 2199860, 2622910, 3409783, 5245820, 6819566, 13639132, 17048915, 34097830, 68195660]

約数ペア:

[(1, 68195660), (2, 34097830), (4, 17048915), (5, 13639132), (10, 6819566), (13, 5245820), (20, 3409783), (26, 2622910), (31, 2199860), (52, 1311455), (62, 1099930), (65, 1049164), (124, 549965), (130, 524582), (155, 439972), (260, 262291), (310, 219986), (403, 169220), (620, 109993), (806, 84610), (1612, 42305), (2015, 33844), (4030, 16922), (8060, 8461)]