42239990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4451}}^1$

素因数の和:4544

約数の個数: 32

約数和(自身を含む): 83020896

約数和(自身を除く): 40780906

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4451, 4745, 8902, 9490, 22255, 44510, 57863, 115726, 289315, 324923, 578630, 649846, 1624615, 3249230, 4223999, 8447998, 21119995, 42239990]

約数ペア:

[(1, 42239990), (2, 21119995), (5, 8447998), (10, 4223999), (13, 3249230), (26, 1624615), (65, 649846), (73, 578630), (130, 324923), (146, 289315), (365, 115726), (730, 57863), (949, 44510), (1898, 22255), (4451, 9490), (4745, 8902)]