15691245040

素因数分解:

$2^4\times 5^1\times {\mathrm{196140563}}^1$

素因数の和:196140576

約数の個数: 20

約数和(自身を含む): 36482144904

約数和(自身を除く): 20790899864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196140563, 392281126, 784562252, 980702815, 1569124504, 1961405630, 3138249008, 3922811260, 7845622520, 15691245040]

約数ペア:

[(1, 15691245040), (2, 7845622520), (4, 3922811260), (5, 3138249008), (8, 1961405630), (10, 1569124504), (16, 980702815), (20, 784562252), (40, 392281126), (80, 196140563)]