17405120

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:625

約数の個数: 56

約数和(自身を含む): 41910000

約数和(自身を除く): 24504880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 499, 545, 872, 998, 1090, 1744, 1996, 2180, 2495, 3488, 3992, 4360, 4990, 6976, 7984, 8720, 9980, 15968, 17440, 19960, 31936, 34880, 39920, 54391, 79840, 108782, 159680, 217564, 271955, 435128, 543910, 870256, 1087820, 1740512, 2175640, 3481024, 4351280, 8702560, 17405120]

約数ペア:

[(1, 17405120), (2, 8702560), (4, 4351280), (5, 3481024), (8, 2175640), (10, 1740512), (16, 1087820), (20, 870256), (32, 543910), (40, 435128), (64, 271955), (80, 217564), (109, 159680), (160, 108782), (218, 79840), (320, 54391), (436, 39920), (499, 34880), (545, 31936), (872, 19960), (998, 17440), (1090, 15968), (1744, 9980), (1996, 8720), (2180, 7984), (2495, 6976), (3488, 4990), (3992, 4360)]