201530480

素因数分解:

$2^4\times 5^1\times {\mathrm{2519131}}^1$

素因数の和:2519144

約数の個数: 20

約数和(自身を含む): 468558552

約数和(自身を除く): 267028072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2519131, 5038262, 10076524, 12595655, 20153048, 25191310, 40306096, 50382620, 100765240, 201530480]

約数ペア:

[(1, 201530480), (2, 100765240), (4, 50382620), (5, 40306096), (8, 25191310), (10, 20153048), (16, 12595655), (20, 10076524), (40, 5038262), (80, 2519131)]