10218650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 20832000

約数和(自身を除く): 10613350

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 199, 325, 395, 398, 650, 790, 995, 1027, 1975, 1990, 2054, 2587, 3950, 4975, 5135, 5174, 9950, 10270, 12935, 15721, 25675, 25870, 31442, 51350, 64675, 78605, 129350, 157210, 204373, 393025, 408746, 786050, 1021865, 2043730, 5109325, 10218650]

約数ペア:

[(1, 10218650), (2, 5109325), (5, 2043730), (10, 1021865), (13, 786050), (25, 408746), (26, 393025), (50, 204373), (65, 157210), (79, 129350), (130, 78605), (158, 64675), (199, 51350), (325, 31442), (395, 25870), (398, 25675), (650, 15721), (790, 12935), (995, 10270), (1027, 9950), (1975, 5174), (1990, 5135), (2054, 4975), (2587, 3950)]