56478680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 131241600

約数和(自身を除く): 74762920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 79, 122, 158, 244, 293, 305, 316, 395, 488, 586, 610, 632, 790, 1172, 1220, 1465, 1580, 2344, 2440, 2930, 3160, 4819, 5860, 9638, 11720, 17873, 19276, 23147, 24095, 35746, 38552, 46294, 48190, 71492, 89365, 92588, 96380, 115735, 142984, 178730, 185176, 192760, 231470, 357460, 462940, 714920, 925880, 1411967, 2823934, 5647868, 7059835, 11295736, 14119670, 28239340, 56478680]

約数ペア:

[(1, 56478680), (2, 28239340), (4, 14119670), (5, 11295736), (8, 7059835), (10, 5647868), (20, 2823934), (40, 1411967), (61, 925880), (79, 714920), (122, 462940), (158, 357460), (244, 231470), (293, 192760), (305, 185176), (316, 178730), (395, 142984), (488, 115735), (586, 96380), (610, 92588), (632, 89365), (790, 71492), (1172, 48190), (1220, 46294), (1465, 38552), (1580, 35746), (2344, 24095), (2440, 23147), (2930, 19276), (3160, 17873), (4819, 11720), (5860, 9638)]