395668520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{760901}}^1$

素因数の和:760925

約数の個数: 32

約数和(自身を含む): 958736520

約数和(自身を除く): 563068000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 760901, 1521802, 3043604, 3804505, 6087208, 7609010, 9891713, 15218020, 19783426, 30436040, 39566852, 49458565, 79133704, 98917130, 197834260, 395668520]

約数ペア:

[(1, 395668520), (2, 197834260), (4, 98917130), (5, 79133704), (8, 49458565), (10, 39566852), (13, 30436040), (20, 19783426), (26, 15218020), (40, 9891713), (52, 7609010), (65, 6087208), (104, 3804505), (130, 3043604), (260, 1521802), (520, 760901)]