2111379280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1\times {\mathrm{761}}^1$

素因数の和:1292

約数の個数: 80

約数和(自身を含む): 4988966400

約数和(自身を除く): 2877587120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 439, 632, 761, 790, 878, 1264, 1522, 1580, 1756, 2195, 3044, 3160, 3512, 3805, 4390, 6088, 6320, 7024, 7610, 8780, 12176, 15220, 17560, 30440, 34681, 35120, 60119, 60880, 69362, 120238, 138724, 173405, 240476, 277448, 300595, 334079, 346810, 480952, 554896, 601190, 668158, 693620, 961904, 1202380, 1336316, 1387240, 1670395, 2404760, 2672632, 2774480, 3340790, 4809520, 5345264, 6681580, 13363160, 26392241, 26726320, 52784482, 105568964, 131961205, 211137928, 263922410, 422275856, 527844820, 1055689640, 2111379280]

約数ペア:

[(1, 2111379280), (2, 1055689640), (4, 527844820), (5, 422275856), (8, 263922410), (10, 211137928), (16, 131961205), (20, 105568964), (40, 52784482), (79, 26726320), (80, 26392241), (158, 13363160), (316, 6681580), (395, 5345264), (439, 4809520), (632, 3340790), (761, 2774480), (790, 2672632), (878, 2404760), (1264, 1670395), (1522, 1387240), (1580, 1336316), (1756, 1202380), (2195, 961904), (3044, 693620), (3160, 668158), (3512, 601190), (3805, 554896), (4390, 480952), (6088, 346810), (6320, 334079), (7024, 300595), (7610, 277448), (8780, 240476), (12176, 173405), (15220, 138724), (17560, 120238), (30440, 69362), (34681, 60880), (35120, 60119)]