38182640

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1997}}^1$

素因数の和:2249

約数の個数: 40

約数和(自身を含む): 89190720

約数和(自身を除く): 51008080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 1997, 2390, 3824, 3994, 4780, 7988, 9560, 9985, 15976, 19120, 19970, 31952, 39940, 79880, 159760, 477283, 954566, 1909132, 2386415, 3818264, 4772830, 7636528, 9545660, 19091320, 38182640]

約数ペア:

[(1, 38182640), (2, 19091320), (4, 9545660), (5, 7636528), (8, 4772830), (10, 3818264), (16, 2386415), (20, 1909132), (40, 954566), (80, 477283), (239, 159760), (478, 79880), (956, 39940), (1195, 31952), (1912, 19970), (1997, 19120), (2390, 15976), (3824, 9985), (3994, 9560), (4780, 7988)]