8505684020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{198083}}^1$

素因数の和:198224

約数の個数: 48

約数和(自身を含む): 18968523840

約数和(自身を除く): 10462839820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 226, 380, 452, 565, 1130, 2147, 2260, 4294, 8588, 10735, 21470, 42940, 198083, 396166, 792332, 990415, 1980830, 3763577, 3961660, 7527154, 15054308, 18817885, 22383379, 37635770, 44766758, 75271540, 89533516, 111916895, 223833790, 425284201, 447667580, 850568402, 1701136804, 2126421005, 4252842010, 8505684020]

約数ペア:

[(1, 8505684020), (2, 4252842010), (4, 2126421005), (5, 1701136804), (10, 850568402), (19, 447667580), (20, 425284201), (38, 223833790), (76, 111916895), (95, 89533516), (113, 75271540), (190, 44766758), (226, 37635770), (380, 22383379), (452, 18817885), (565, 15054308), (1130, 7527154), (2147, 3961660), (2260, 3763577), (4294, 1980830), (8588, 990415), (10735, 792332), (21470, 396166), (42940, 198083)]