66896320

素因数分解:

$2^6\times 5^1\times {\mathrm{349}}^1\times {\mathrm{599}}^1$

素因数の和:965

約数の個数: 56

約数和(自身を含む): 160020000

約数和(自身を除く): 93123680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 349, 599, 698, 1198, 1396, 1745, 2396, 2792, 2995, 3490, 4792, 5584, 5990, 6980, 9584, 11168, 11980, 13960, 19168, 22336, 23960, 27920, 38336, 47920, 55840, 95840, 111680, 191680, 209051, 418102, 836204, 1045255, 1672408, 2090510, 3344816, 4181020, 6689632, 8362040, 13379264, 16724080, 33448160, 66896320]

約数ペア:

[(1, 66896320), (2, 33448160), (4, 16724080), (5, 13379264), (8, 8362040), (10, 6689632), (16, 4181020), (20, 3344816), (32, 2090510), (40, 1672408), (64, 1045255), (80, 836204), (160, 418102), (320, 209051), (349, 191680), (599, 111680), (698, 95840), (1198, 55840), (1396, 47920), (1745, 38336), (2396, 27920), (2792, 23960), (2995, 22336), (3490, 19168), (4792, 13960), (5584, 11980), (5990, 11168), (6980, 9584)]