3913996880

素因数分解:

$2^4\times 5^1\times {\mathrm{48924961}}^1$

素因数の和:48924974

約数の個数: 20

約数和(自身を含む): 9100042932

約数和(自身を除く): 5186046052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 48924961, 97849922, 195699844, 244624805, 391399688, 489249610, 782799376, 978499220, 1956998440, 3913996880]

約数ペア:

[(1, 3913996880), (2, 1956998440), (4, 978499220), (5, 782799376), (8, 489249610), (10, 391399688), (16, 244624805), (20, 195699844), (40, 97849922), (80, 48924961)]