12416720

素因数分解:

$2^4\times 5^1\times {\mathrm{155209}}^1$

素因数の和:155222

約数の個数: 20

約数和(自身を含む): 28869060

約数和(自身を除く): 16452340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 155209, 310418, 620836, 776045, 1241672, 1552090, 2483344, 3104180, 6208360, 12416720]

約数ペア:

[(1, 12416720), (2, 6208360), (4, 3104180), (5, 2483344), (8, 1552090), (10, 1241672), (16, 776045), (20, 620836), (40, 310418), (80, 155209)]