17928880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13183}}^1$

素因数の和:13213

約数の個数: 40

約数和(自身を含む): 44140032

約数和(自身を除く): 26211152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13183, 26366, 52732, 65915, 105464, 131830, 210928, 224111, 263660, 448222, 527320, 896444, 1054640, 1120555, 1792888, 2241110, 3585776, 4482220, 8964440, 17928880]

約数ペア:

[(1, 17928880), (2, 8964440), (4, 4482220), (5, 3585776), (8, 2241110), (10, 1792888), (16, 1120555), (17, 1054640), (20, 896444), (34, 527320), (40, 448222), (68, 263660), (80, 224111), (85, 210928), (136, 131830), (170, 105464), (272, 65915), (340, 52732), (680, 26366), (1360, 13183)]