40408240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21961}}^1$

素因数の和:21997

約数の個数: 40

約数和(自身を含む): 98038368

約数和(自身を除く): 57630128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 21961, 43922, 87844, 109805, 175688, 219610, 351376, 439220, 505103, 878440, 1010206, 1756880, 2020412, 2525515, 4040824, 5051030, 8081648, 10102060, 20204120, 40408240]

約数ペア:

[(1, 40408240), (2, 20204120), (4, 10102060), (5, 8081648), (8, 5051030), (10, 4040824), (16, 2525515), (20, 2020412), (23, 1756880), (40, 1010206), (46, 878440), (80, 505103), (92, 439220), (115, 351376), (184, 219610), (230, 175688), (368, 109805), (460, 87844), (920, 43922), (1840, 21961)]