39142870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1087}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 76220928

約数和(自身を除く): 37078058

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 277, 554, 1087, 1385, 2174, 2770, 3601, 5435, 7202, 10870, 14131, 18005, 28262, 36010, 70655, 141310, 301099, 602198, 1505495, 3010990, 3914287, 7828574, 19571435, 39142870]

約数ペア:

[(1, 39142870), (2, 19571435), (5, 7828574), (10, 3914287), (13, 3010990), (26, 1505495), (65, 602198), (130, 301099), (277, 141310), (554, 70655), (1087, 36010), (1385, 28262), (2174, 18005), (2770, 14131), (3601, 10870), (5435, 7202)]