83797840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21377}}^1$

素因数の和:21404

約数の個数: 60

約数和(自身を含む): 226649556

約数和(自身を除く): 142851716

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 21377, 42754, 85508, 106885, 149639, 171016, 213770, 299278, 342032, 427540, 598556, 748195, 855080, 1047473, 1197112, 1496390, 1710160, 2094946, 2394224, 2992780, 4189892, 5237365, 5985560, 8379784, 10474730, 11971120, 16759568, 20949460, 41898920, 83797840]

約数ペア:

[(1, 83797840), (2, 41898920), (4, 20949460), (5, 16759568), (7, 11971120), (8, 10474730), (10, 8379784), (14, 5985560), (16, 5237365), (20, 4189892), (28, 2992780), (35, 2394224), (40, 2094946), (49, 1710160), (56, 1496390), (70, 1197112), (80, 1047473), (98, 855080), (112, 748195), (140, 598556), (196, 427540), (245, 342032), (280, 299278), (392, 213770), (490, 171016), (560, 149639), (784, 106885), (980, 85508), (1960, 42754), (3920, 21377)]