2080854920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1297}}^1\times {\mathrm{2111}}^1$

素因数の和:3438

約数の個数: 64

約数和(自身を含む): 4934476800

約数和(自身を除く): 2853621880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1297, 2111, 2594, 4222, 5188, 6485, 8444, 10376, 10555, 12970, 16888, 21110, 24643, 25940, 40109, 42220, 49286, 51880, 80218, 84440, 98572, 123215, 160436, 197144, 200545, 246430, 320872, 401090, 492860, 802180, 985720, 1604360, 2737967, 5475934, 10951868, 13689835, 21903736, 27379670, 52021373, 54759340, 104042746, 109518680, 208085492, 260106865, 416170984, 520213730, 1040427460, 2080854920]

約数ペア:

[(1, 2080854920), (2, 1040427460), (4, 520213730), (5, 416170984), (8, 260106865), (10, 208085492), (19, 109518680), (20, 104042746), (38, 54759340), (40, 52021373), (76, 27379670), (95, 21903736), (152, 13689835), (190, 10951868), (380, 5475934), (760, 2737967), (1297, 1604360), (2111, 985720), (2594, 802180), (4222, 492860), (5188, 401090), (6485, 320872), (8444, 246430), (10376, 200545), (10555, 197144), (12970, 160436), (16888, 123215), (21110, 98572), (24643, 84440), (25940, 80218), (40109, 51880), (42220, 49286)]