628077320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1207841}}^1$

素因数の和:1207865

約数の個数: 32

約数和(自身を含む): 1521880920

約数和(自身を除く): 893803600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1207841, 2415682, 4831364, 6039205, 9662728, 12078410, 15701933, 24156820, 31403866, 48313640, 62807732, 78509665, 125615464, 157019330, 314038660, 628077320]

約数ペア:

[(1, 628077320), (2, 314038660), (4, 157019330), (5, 125615464), (8, 78509665), (10, 62807732), (13, 48313640), (20, 31403866), (26, 24156820), (40, 15701933), (52, 12078410), (65, 9662728), (104, 6039205), (130, 4831364), (260, 2415682), (520, 1207841)]