260519610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{667999}}^1$

素因数の和:668022

約数の個数: 32

約数和(自身を含む): 673344000

約数和(自身を除く): 412824390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 667999, 1335998, 2003997, 3339995, 4007994, 6679990, 8683987, 10019985, 17367974, 20039970, 26051961, 43419935, 52103922, 86839870, 130259805, 260519610]

約数ペア:

[(1, 260519610), (2, 130259805), (3, 86839870), (5, 52103922), (6, 43419935), (10, 26051961), (13, 20039970), (15, 17367974), (26, 10019985), (30, 8683987), (39, 6679990), (65, 4007994), (78, 3339995), (130, 2003997), (195, 1335998), (390, 667999)]