2628085840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{4691}}^1$

素因数の和:4900

約数の個数: 80

約数和(自身を含む): 6283526400

約数和(自身を除く): 3655440560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 149, 188, 235, 298, 376, 470, 596, 745, 752, 940, 1192, 1490, 1880, 2384, 2980, 3760, 4691, 5960, 7003, 9382, 11920, 14006, 18764, 23455, 28012, 35015, 37528, 46910, 56024, 70030, 75056, 93820, 112048, 140060, 187640, 220477, 280120, 375280, 440954, 560240, 698959, 881908, 1102385, 1397918, 1763816, 2204770, 2795836, 3494795, 3527632, 4409540, 5591672, 6989590, 8819080, 11183344, 13979180, 17638160, 27958360, 32851073, 55916720, 65702146, 131404292, 164255365, 262808584, 328510730, 525617168, 657021460, 1314042920, 2628085840]

約数ペア:

[(1, 2628085840), (2, 1314042920), (4, 657021460), (5, 525617168), (8, 328510730), (10, 262808584), (16, 164255365), (20, 131404292), (40, 65702146), (47, 55916720), (80, 32851073), (94, 27958360), (149, 17638160), (188, 13979180), (235, 11183344), (298, 8819080), (376, 6989590), (470, 5591672), (596, 4409540), (745, 3527632), (752, 3494795), (940, 2795836), (1192, 2204770), (1490, 1763816), (1880, 1397918), (2384, 1102385), (2980, 881908), (3760, 698959), (4691, 560240), (5960, 440954), (7003, 375280), (9382, 280120), (11920, 220477), (14006, 187640), (18764, 140060), (23455, 112048), (28012, 93820), (35015, 75056), (37528, 70030), (46910, 56024)]