72251320

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3709}}^1$

素因数の和:4207

約数の個数: 32

約数和(自身を含む): 162943200

約数和(自身を除く): 90691880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3709, 3896, 4870, 7418, 9740, 14836, 18545, 19480, 29672, 37090, 74180, 148360, 1806283, 3612566, 7225132, 9031415, 14450264, 18062830, 36125660, 72251320]

約数ペア:

[(1, 72251320), (2, 36125660), (4, 18062830), (5, 14450264), (8, 9031415), (10, 7225132), (20, 3612566), (40, 1806283), (487, 148360), (974, 74180), (1948, 37090), (2435, 29672), (3709, 19480), (3896, 18545), (4870, 14836), (7418, 9740)]