2008142480

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{373}}^1\times {\mathrm{389}}^1$

素因数の和:948

約数の個数: 80

約数和(自身を含む): 4720613040

約数和(自身を除く): 2712470560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 373, 389, 692, 746, 778, 865, 1384, 1492, 1556, 1730, 1865, 1945, 2768, 2984, 3112, 3460, 3730, 3890, 5968, 6224, 6920, 7460, 7780, 13840, 14920, 15560, 29840, 31120, 64529, 67297, 129058, 134594, 145097, 258116, 269188, 290194, 322645, 336485, 516232, 538376, 580388, 645290, 672970, 725485, 1032464, 1076752, 1160776, 1290580, 1345940, 1450970, 2321552, 2581160, 2691880, 2901940, 5162320, 5383760, 5803880, 11607760, 25101781, 50203562, 100407124, 125508905, 200814248, 251017810, 401628496, 502035620, 1004071240, 2008142480]

約数ペア:

[(1, 2008142480), (2, 1004071240), (4, 502035620), (5, 401628496), (8, 251017810), (10, 200814248), (16, 125508905), (20, 100407124), (40, 50203562), (80, 25101781), (173, 11607760), (346, 5803880), (373, 5383760), (389, 5162320), (692, 2901940), (746, 2691880), (778, 2581160), (865, 2321552), (1384, 1450970), (1492, 1345940), (1556, 1290580), (1730, 1160776), (1865, 1076752), (1945, 1032464), (2768, 725485), (2984, 672970), (3112, 645290), (3460, 580388), (3730, 538376), (3890, 516232), (5968, 336485), (6224, 322645), (6920, 290194), (7460, 269188), (7780, 258116), (13840, 145097), (14920, 134594), (15560, 129058), (29840, 67297), (31120, 64529)]