12212120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17959}}^1$

素因数の和:17987

約数の個数: 32

約数和(自身を含む): 29095200

約数和(自身を除く): 16883080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 17959, 35918, 71836, 89795, 143672, 179590, 305303, 359180, 610606, 718360, 1221212, 1526515, 2442424, 3053030, 6106060, 12212120]

約数ペア:

[(1, 12212120), (2, 6106060), (4, 3053030), (5, 2442424), (8, 1526515), (10, 1221212), (17, 718360), (20, 610606), (34, 359180), (40, 305303), (68, 179590), (85, 143672), (136, 89795), (170, 71836), (340, 35918), (680, 17959)]