165187640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{242923}}^1$

素因数の和:242951

約数の個数: 32

約数和(自身を含む): 393536880

約数和(自身を除く): 228349240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 242923, 485846, 971692, 1214615, 1943384, 2429230, 4129691, 4858460, 8259382, 9716920, 16518764, 20648455, 33037528, 41296910, 82593820, 165187640]

約数ペア:

[(1, 165187640), (2, 82593820), (4, 41296910), (5, 33037528), (8, 20648455), (10, 16518764), (17, 9716920), (20, 8259382), (34, 4858460), (40, 4129691), (68, 2429230), (85, 1943384), (136, 1214615), (170, 971692), (340, 485846), (680, 242923)]