66705820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 145363680

約数和(自身を除く): 78657860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 436, 545, 740, 827, 1090, 1654, 2180, 3308, 4033, 4135, 8066, 8270, 16132, 16540, 20165, 30599, 40330, 61198, 80660, 90143, 122396, 152995, 180286, 305990, 360572, 450715, 611980, 901430, 1802860, 3335291, 6670582, 13341164, 16676455, 33352910, 66705820]

約数ペア:

[(1, 66705820), (2, 33352910), (4, 16676455), (5, 13341164), (10, 6670582), (20, 3335291), (37, 1802860), (74, 901430), (109, 611980), (148, 450715), (185, 360572), (218, 305990), (370, 180286), (436, 152995), (545, 122396), (740, 90143), (827, 80660), (1090, 61198), (1654, 40330), (2180, 30599), (3308, 20165), (4033, 16540), (4135, 16132), (8066, 8270)]