201131120

素因数分解:

$2^4\times 5^1\times {\mathrm{2514139}}^1$

素因数の和:2514152

約数の個数: 20

約数和(自身を含む): 467630040

約数和(自身を除く): 266498920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2514139, 5028278, 10056556, 12570695, 20113112, 25141390, 40226224, 50282780, 100565560, 201131120]

約数ペア:

[(1, 201131120), (2, 100565560), (4, 50282780), (5, 40226224), (8, 25141390), (10, 20113112), (16, 12570695), (20, 10056556), (40, 5028278), (80, 2514139)]