508745620

素因数分解:

$2^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{13381}}^1$

素因数の和:15291

約数の個数: 24

約数和(自身を含む): 1069007688

約数和(自身を除く): 560262068

約数列:

[1, 2, 4, 5, 10, 20, 1901, 3802, 7604, 9505, 13381, 19010, 26762, 38020, 53524, 66905, 133810, 267620, 25437281, 50874562, 101749124, 127186405, 254372810, 508745620]

約数ペア:

[(1, 508745620), (2, 254372810), (4, 127186405), (5, 101749124), (10, 50874562), (20, 25437281), (1901, 267620), (3802, 133810), (7604, 66905), (9505, 53524), (13381, 38020), (19010, 26762)]