1983760

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:331

約数の個数: 40

約数和(自身を含む): 4671576

約数和(自身を除く): 2687816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 181, 274, 362, 548, 685, 724, 905, 1096, 1370, 1448, 1810, 2192, 2740, 2896, 3620, 5480, 7240, 10960, 14480, 24797, 49594, 99188, 123985, 198376, 247970, 396752, 495940, 991880, 1983760]

約数ペア:

[(1, 1983760), (2, 991880), (4, 495940), (5, 396752), (8, 247970), (10, 198376), (16, 123985), (20, 99188), (40, 49594), (80, 24797), (137, 14480), (181, 10960), (274, 7240), (362, 5480), (548, 3620), (685, 2896), (724, 2740), (905, 2192), (1096, 1810), (1370, 1448)]