1900558640

素因数分解:

$2^4\times 5^1\times {\mathrm{23756983}}^1$

素因数の和:23756996

約数の個数: 20

約数和(自身を含む): 4418799024

約数和(自身を除く): 2518240384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23756983, 47513966, 95027932, 118784915, 190055864, 237569830, 380111728, 475139660, 950279320, 1900558640]

約数ペア:

[(1, 1900558640), (2, 950279320), (4, 475139660), (5, 380111728), (8, 237569830), (10, 190055864), (16, 118784915), (20, 95027932), (40, 47513966), (80, 23756983)]