28014640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20599}}^1$

素因数の和:20629

約数の個数: 40

約数和(自身を含む): 68968800

約数和(自身を除く): 40954160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 20599, 41198, 82396, 102995, 164792, 205990, 329584, 350183, 411980, 700366, 823960, 1400732, 1647920, 1750915, 2801464, 3501830, 5602928, 7003660, 14007320, 28014640]

約数ペア:

[(1, 28014640), (2, 14007320), (4, 7003660), (5, 5602928), (8, 3501830), (10, 2801464), (16, 1750915), (17, 1647920), (20, 1400732), (34, 823960), (40, 700366), (68, 411980), (80, 350183), (85, 329584), (136, 205990), (170, 164792), (272, 102995), (340, 82396), (680, 41198), (1360, 20599)]