2919520

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 7021728

約数和(自身を除く): 4102208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 257, 284, 355, 514, 568, 710, 1028, 1136, 1285, 1420, 2056, 2272, 2570, 2840, 4112, 5140, 5680, 8224, 10280, 11360, 18247, 20560, 36494, 41120, 72988, 91235, 145976, 182470, 291952, 364940, 583904, 729880, 1459760, 2919520]

約数ペア:

[(1, 2919520), (2, 1459760), (4, 729880), (5, 583904), (8, 364940), (10, 291952), (16, 182470), (20, 145976), (32, 91235), (40, 72988), (71, 41120), (80, 36494), (142, 20560), (160, 18247), (257, 11360), (284, 10280), (355, 8224), (514, 5680), (568, 5140), (710, 4112), (1028, 2840), (1136, 2570), (1285, 2272), (1420, 2056)]