15661373240

素因数分解:

$2^3\times 5^1\times {\mathrm{391534331}}^1$

素因数の和:391534342

約数の個数: 16

約数和(自身を含む): 35238089880

約数和(自身を除く): 19576716640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 391534331, 783068662, 1566137324, 1957671655, 3132274648, 3915343310, 7830686620, 15661373240]

約数ペア:

[(1, 15661373240), (2, 7830686620), (4, 3915343310), (5, 3132274648), (8, 1957671655), (10, 1566137324), (20, 783068662), (40, 391534331)]