988520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 2396520

約数和(自身を除く): 1408000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1901, 3802, 7604, 9505, 15208, 19010, 24713, 38020, 49426, 76040, 98852, 123565, 197704, 247130, 494260, 988520]

約数ペア:

[(1, 988520), (2, 494260), (4, 247130), (5, 197704), (8, 123565), (10, 98852), (13, 76040), (20, 49426), (26, 38020), (40, 24713), (52, 19010), (65, 15208), (104, 9505), (130, 7604), (260, 3802), (520, 1901)]