201585520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1499}}^1$

素因数の和:1594

約数の個数: 60

約数和(自身を含む): 480717000

約数和(自身を除く): 279131480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1499, 1640, 1681, 2998, 3280, 3362, 5996, 6724, 7495, 8405, 11992, 13448, 14990, 16810, 23984, 26896, 29980, 33620, 59960, 61459, 67240, 119920, 122918, 134480, 245836, 307295, 491672, 614590, 983344, 1229180, 2458360, 2519819, 4916720, 5039638, 10079276, 12599095, 20158552, 25198190, 40317104, 50396380, 100792760, 201585520]

約数ペア:

[(1, 201585520), (2, 100792760), (4, 50396380), (5, 40317104), (8, 25198190), (10, 20158552), (16, 12599095), (20, 10079276), (40, 5039638), (41, 4916720), (80, 2519819), (82, 2458360), (164, 1229180), (205, 983344), (328, 614590), (410, 491672), (656, 307295), (820, 245836), (1499, 134480), (1640, 122918), (1681, 119920), (2998, 67240), (3280, 61459), (3362, 59960), (5996, 33620), (6724, 29980), (7495, 26896), (8405, 23984), (11992, 16810), (13448, 14990)]