54123760

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1607}}^1$

素因数の和:2041

約数の個数: 40

約数和(自身を含む): 126215136

約数和(自身を除く): 72091376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1607, 1684, 2105, 3214, 3368, 4210, 6428, 6736, 8035, 8420, 12856, 16070, 16840, 25712, 32140, 33680, 64280, 128560, 676547, 1353094, 2706188, 3382735, 5412376, 6765470, 10824752, 13530940, 27061880, 54123760]

約数ペア:

[(1, 54123760), (2, 27061880), (4, 13530940), (5, 10824752), (8, 6765470), (10, 5412376), (16, 3382735), (20, 2706188), (40, 1353094), (80, 676547), (421, 128560), (842, 64280), (1607, 33680), (1684, 32140), (2105, 25712), (3214, 16840), (3368, 16070), (4210, 12856), (6428, 8420), (6736, 8035)]