23513780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 28378060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 571, 580, 710, 1142, 1420, 2059, 2284, 2855, 4118, 5710, 8236, 10295, 11420, 16559, 20590, 33118, 40541, 41180, 66236, 81082, 82795, 162164, 165590, 202705, 331180, 405410, 810820, 1175689, 2351378, 4702756, 5878445, 11756890, 23513780]

約数ペア:

[(1, 23513780), (2, 11756890), (4, 5878445), (5, 4702756), (10, 2351378), (20, 1175689), (29, 810820), (58, 405410), (71, 331180), (116, 202705), (142, 165590), (145, 162164), (284, 82795), (290, 81082), (355, 66236), (571, 41180), (580, 40541), (710, 33118), (1142, 20590), (1420, 16559), (2059, 11420), (2284, 10295), (2855, 8236), (4118, 5710)]