72972080

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1873}}^1$

素因数の和:2373

約数の個数: 40

約数和(自身を含む): 170099232

約数和(自身を除く): 97127152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1873, 1948, 2435, 3746, 3896, 4870, 7492, 7792, 9365, 9740, 14984, 18730, 19480, 29968, 37460, 38960, 74920, 149840, 912151, 1824302, 3648604, 4560755, 7297208, 9121510, 14594416, 18243020, 36486040, 72972080]

約数ペア:

[(1, 72972080), (2, 36486040), (4, 18243020), (5, 14594416), (8, 9121510), (10, 7297208), (16, 4560755), (20, 3648604), (40, 1824302), (80, 912151), (487, 149840), (974, 74920), (1873, 38960), (1948, 37460), (2435, 29968), (3746, 19480), (3896, 18730), (4870, 14984), (7492, 9740), (7792, 9365)]