156629680

素因数分解:

$2^4\times 5^1\times {\mathrm{1957871}}^1$

素因数の和:1957884

約数の個数: 20

約数和(自身を含む): 364164192

約数和(自身を除く): 207534512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1957871, 3915742, 7831484, 9789355, 15662968, 19578710, 31325936, 39157420, 78314840, 156629680]

約数ペア:

[(1, 156629680), (2, 78314840), (4, 39157420), (5, 31325936), (8, 19578710), (10, 15662968), (16, 9789355), (20, 7831484), (40, 3915742), (80, 1957871)]