164059220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{630997}}^1$

素因数の和:631019

約数の個数: 24

約数和(自身を含む): 371026824

約数和(自身を除く): 206967604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 630997, 1261994, 2523988, 3154985, 6309970, 8202961, 12619940, 16405922, 32811844, 41014805, 82029610, 164059220]

約数ペア:

[(1, 164059220), (2, 82029610), (4, 41014805), (5, 32811844), (10, 16405922), (13, 12619940), (20, 8202961), (26, 6309970), (52, 3154985), (65, 2523988), (130, 1261994), (260, 630997)]