2000606480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1\times {\mathrm{1699}}^1$

素因数の和:2112

約数の個数: 80

約数和(自身を含む): 4780944000

約数和(自身を除く): 2780337520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 359, 410, 656, 718, 820, 1436, 1640, 1699, 1795, 2872, 3280, 3398, 3590, 5744, 6796, 7180, 8495, 13592, 14360, 14719, 16990, 27184, 28720, 29438, 33980, 58876, 67960, 69659, 73595, 117752, 135920, 139318, 147190, 235504, 278636, 294380, 348295, 557272, 588760, 609941, 696590, 1114544, 1177520, 1219882, 1393180, 2439764, 2786360, 3049705, 4879528, 5572720, 6099410, 9759056, 12198820, 24397640, 25007581, 48795280, 50015162, 100030324, 125037905, 200060648, 250075810, 400121296, 500151620, 1000303240, 2000606480]

約数ペア:

[(1, 2000606480), (2, 1000303240), (4, 500151620), (5, 400121296), (8, 250075810), (10, 200060648), (16, 125037905), (20, 100030324), (40, 50015162), (41, 48795280), (80, 25007581), (82, 24397640), (164, 12198820), (205, 9759056), (328, 6099410), (359, 5572720), (410, 4879528), (656, 3049705), (718, 2786360), (820, 2439764), (1436, 1393180), (1640, 1219882), (1699, 1177520), (1795, 1114544), (2872, 696590), (3280, 609941), (3398, 588760), (3590, 557272), (5744, 348295), (6796, 294380), (7180, 278636), (8495, 235504), (13592, 147190), (14360, 139318), (14719, 135920), (16990, 117752), (27184, 73595), (28720, 69659), (29438, 67960), (33980, 58876)]