129675130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1999}}^1$

素因数の和:2518

約数の個数: 32

約数和(自身を含む): 252000000

約数和(自身を除く): 122324870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 499, 998, 1999, 2495, 3998, 4990, 6487, 9995, 12974, 19990, 25987, 32435, 51974, 64870, 129935, 259870, 997501, 1995002, 4987505, 9975010, 12967513, 25935026, 64837565, 129675130]

約数ペア:

[(1, 129675130), (2, 64837565), (5, 25935026), (10, 12967513), (13, 9975010), (26, 4987505), (65, 1995002), (130, 997501), (499, 259870), (998, 129935), (1999, 64870), (2495, 51974), (3998, 32435), (4990, 25987), (6487, 19990), (9995, 12974)]