19796909432840

素因数分解:

$2^3\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{315036751}}^1$

素因数の和:315038333

約数の個数: 32

約数和(自身を含む): 44571399672960

約数和(自身を除く): 24774490240120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1571, 3142, 6284, 7855, 12568, 15710, 31420, 62840, 315036751, 630073502, 1260147004, 1575183755, 2520294008, 3150367510, 6300735020, 12601470040, 494922735821, 989845471642, 1979690943284, 2474613679105, 3959381886568, 4949227358210, 9898454716420, 19796909432840]

約数ペア:

[(1, 19796909432840), (2, 9898454716420), (4, 4949227358210), (5, 3959381886568), (8, 2474613679105), (10, 1979690943284), (20, 989845471642), (40, 494922735821), (1571, 12601470040), (3142, 6300735020), (6284, 3150367510), (7855, 2520294008), (12568, 1575183755), (15710, 1260147004), (31420, 630073502), (62840, 315036751)]