1640067056

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{19777}}^1$

素因数の和:19929

約数の個数: 40

約数和(自身を含む): 3266692704

約数和(自身を除く): 1626625648

約数列:

[1, 2, 4, 8, 16, 71, 73, 142, 146, 284, 292, 568, 584, 1136, 1168, 5183, 10366, 19777, 20732, 39554, 41464, 79108, 82928, 158216, 316432, 1404167, 1443721, 2808334, 2887442, 5616668, 5774884, 11233336, 11549768, 22466672, 23099536, 102504191, 205008382, 410016764, 820033528, 1640067056]

約数ペア:

[(1, 1640067056), (2, 820033528), (4, 410016764), (8, 205008382), (16, 102504191), (71, 23099536), (73, 22466672), (142, 11549768), (146, 11233336), (284, 5774884), (292, 5616668), (568, 2887442), (584, 2808334), (1136, 1443721), (1168, 1404167), (5183, 316432), (10366, 158216), (19777, 82928), (20732, 79108), (39554, 41464)]