120871720

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{10909}}^1$

素因数の和:11197

約数の個数: 32

約数和(自身を含む): 272968200

約数和(自身を除く): 152096480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 10909, 11080, 21818, 43636, 54545, 87272, 109090, 218180, 436360, 3021793, 6043586, 12087172, 15108965, 24174344, 30217930, 60435860, 120871720]

約数ペア:

[(1, 120871720), (2, 60435860), (4, 30217930), (5, 24174344), (8, 15108965), (10, 12087172), (20, 6043586), (40, 3021793), (277, 436360), (554, 218180), (1108, 109090), (1385, 87272), (2216, 54545), (2770, 43636), (5540, 21818), (10909, 11080)]