804500450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{15667}}^1$

素因数の和:15771

約数の個数: 48

約数和(自身を含む): 1631978880

約数和(自身を除く): 827478430

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 395, 650, 790, 1027, 1975, 2054, 3950, 5135, 10270, 15667, 25675, 31334, 51350, 78335, 156670, 203671, 391675, 407342, 783350, 1018355, 1237693, 2036710, 2475386, 5091775, 6188465, 10183550, 12376930, 16090009, 30942325, 32180018, 61884650, 80450045, 160900090, 402250225, 804500450]

約数ペア:

[(1, 804500450), (2, 402250225), (5, 160900090), (10, 80450045), (13, 61884650), (25, 32180018), (26, 30942325), (50, 16090009), (65, 12376930), (79, 10183550), (130, 6188465), (158, 5091775), (325, 2475386), (395, 2036710), (650, 1237693), (790, 1018355), (1027, 783350), (1975, 407342), (2054, 391675), (3950, 203671), (5135, 156670), (10270, 78335), (15667, 51350), (25675, 31334)]