2008269080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1\times {\mathrm{853}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 4593153600

約数和(自身を除く): 2584884520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 829, 853, 1420, 1658, 1706, 2840, 3316, 3412, 4145, 4265, 6632, 6824, 8290, 8530, 16580, 17060, 33160, 34120, 58859, 60563, 117718, 121126, 235436, 242252, 294295, 302815, 470872, 484504, 588590, 605630, 707137, 1177180, 1211260, 1414274, 2354360, 2422520, 2828548, 3535685, 5657096, 7071370, 14142740, 28285480, 50206727, 100413454, 200826908, 251033635, 401653816, 502067270, 1004134540, 2008269080]

約数ペア:

[(1, 2008269080), (2, 1004134540), (4, 502067270), (5, 401653816), (8, 251033635), (10, 200826908), (20, 100413454), (40, 50206727), (71, 28285480), (142, 14142740), (284, 7071370), (355, 5657096), (568, 3535685), (710, 2828548), (829, 2422520), (853, 2354360), (1420, 1414274), (1658, 1211260), (1706, 1177180), (2840, 707137), (3316, 605630), (3412, 588590), (4145, 484504), (4265, 470872), (6632, 302815), (6824, 294295), (8290, 242252), (8530, 235436), (16580, 121126), (17060, 117718), (33160, 60563), (34120, 58859)]