4945074320

素因数分解:

$2^4\times 5^1\times {\mathrm{61813429}}^1$

素因数の和:61813442

約数の個数: 20

約数和(自身を含む): 11497297980

約数和(自身を除く): 6552223660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 61813429, 123626858, 247253716, 309067145, 494507432, 618134290, 989014864, 1236268580, 2472537160, 4945074320]

約数ペア:

[(1, 4945074320), (2, 2472537160), (4, 1236268580), (5, 989014864), (8, 618134290), (10, 494507432), (16, 309067145), (20, 247253716), (40, 123626858), (80, 61813429)]