27139040

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2389}}^1$

素因数の和:2475

約数の個数: 48

約数和(自身を含む): 65046240

約数和(自身を除く): 37907200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2389, 2840, 4778, 5680, 9556, 11360, 11945, 19112, 23890, 38224, 47780, 76448, 95560, 169619, 191120, 339238, 382240, 678476, 848095, 1356952, 1696190, 2713904, 3392380, 5427808, 6784760, 13569520, 27139040]

約数ペア:

[(1, 27139040), (2, 13569520), (4, 6784760), (5, 5427808), (8, 3392380), (10, 2713904), (16, 1696190), (20, 1356952), (32, 848095), (40, 678476), (71, 382240), (80, 339238), (142, 191120), (160, 169619), (284, 95560), (355, 76448), (568, 47780), (710, 38224), (1136, 23890), (1420, 19112), (2272, 11945), (2389, 11360), (2840, 9556), (4778, 5680)]