77870418320

素因数分解:

$2^4\times 5^1\times {\mathrm{3449}}^1\times {\mathrm{282221}}^1$

素因数の和:285683

約数の個数: 40

約数和(自身を含む): 181101857400

約数和(自身を除く): 103231439080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3449, 6898, 13796, 17245, 27592, 34490, 55184, 68980, 137960, 275920, 282221, 564442, 1128884, 1411105, 2257768, 2822210, 4515536, 5644420, 11288840, 22577680, 973380229, 1946760458, 3893520916, 4866901145, 7787041832, 9733802290, 15574083664, 19467604580, 38935209160, 77870418320]

約数ペア:

[(1, 77870418320), (2, 38935209160), (4, 19467604580), (5, 15574083664), (8, 9733802290), (10, 7787041832), (16, 4866901145), (20, 3893520916), (40, 1946760458), (80, 973380229), (3449, 22577680), (6898, 11288840), (13796, 5644420), (17245, 4515536), (27592, 2822210), (34490, 2257768), (55184, 1411105), (68980, 1128884), (137960, 564442), (275920, 282221)]