2017747760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{87881}}^1$

素因数の和:87942

約数の個数: 80

約数和(自身を含む): 5492273472

約数和(自身を除く): 3474525712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 4592, 5740, 11480, 22960, 87881, 175762, 351524, 439405, 615167, 703048, 878810, 1230334, 1406096, 1757620, 2460668, 3075835, 3515240, 3603121, 4921336, 6151670, 7030480, 7206242, 9842672, 12303340, 14412484, 18015605, 24606680, 25221847, 28824968, 36031210, 49213360, 50443694, 57649936, 72062420, 100887388, 126109235, 144124840, 201774776, 252218470, 288249680, 403549552, 504436940, 1008873880, 2017747760]

約数ペア:

[(1, 2017747760), (2, 1008873880), (4, 504436940), (5, 403549552), (7, 288249680), (8, 252218470), (10, 201774776), (14, 144124840), (16, 126109235), (20, 100887388), (28, 72062420), (35, 57649936), (40, 50443694), (41, 49213360), (56, 36031210), (70, 28824968), (80, 25221847), (82, 24606680), (112, 18015605), (140, 14412484), (164, 12303340), (205, 9842672), (280, 7206242), (287, 7030480), (328, 6151670), (410, 4921336), (560, 3603121), (574, 3515240), (656, 3075835), (820, 2460668), (1148, 1757620), (1435, 1406096), (1640, 1230334), (2296, 878810), (2870, 703048), (3280, 615167), (4592, 439405), (5740, 351524), (11480, 175762), (22960, 87881)]