38427220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11369}}^1$

素因数の和:11404

約数の個数: 36

約数和(自身を含む): 87389820

約数和(自身を除く): 48962600

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 11369, 22738, 45476, 56845, 113690, 147797, 227380, 295594, 591188, 738985, 1477970, 1921361, 2955940, 3842722, 7685444, 9606805, 19213610, 38427220]

約数ペア:

[(1, 38427220), (2, 19213610), (4, 9606805), (5, 7685444), (10, 3842722), (13, 2955940), (20, 1921361), (26, 1477970), (52, 738985), (65, 591188), (130, 295594), (169, 227380), (260, 147797), (338, 113690), (676, 56845), (845, 45476), (1690, 22738), (3380, 11369)]