63664760

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21803}}^1$

素因数の和:21887

約数の個数: 32

約数和(自身を含む): 145214640

約数和(自身を除く): 81549880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 21803, 43606, 87212, 109015, 174424, 218030, 436060, 872120, 1591619, 3183238, 6366476, 7958095, 12732952, 15916190, 31832380, 63664760]

約数ペア:

[(1, 63664760), (2, 31832380), (4, 15916190), (5, 12732952), (8, 7958095), (10, 6366476), (20, 3183238), (40, 1591619), (73, 872120), (146, 436060), (292, 218030), (365, 174424), (584, 109015), (730, 87212), (1460, 43606), (2920, 21803)]