20231560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 47822400

約数和(自身を除く): 27590840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 107, 116, 145, 163, 214, 232, 290, 326, 428, 535, 580, 652, 815, 856, 1070, 1160, 1304, 1630, 2140, 3103, 3260, 4280, 4727, 6206, 6520, 9454, 12412, 15515, 17441, 18908, 23635, 24824, 31030, 34882, 37816, 47270, 62060, 69764, 87205, 94540, 124120, 139528, 174410, 189080, 348820, 505789, 697640, 1011578, 2023156, 2528945, 4046312, 5057890, 10115780, 20231560]

約数ペア:

[(1, 20231560), (2, 10115780), (4, 5057890), (5, 4046312), (8, 2528945), (10, 2023156), (20, 1011578), (29, 697640), (40, 505789), (58, 348820), (107, 189080), (116, 174410), (145, 139528), (163, 124120), (214, 94540), (232, 87205), (290, 69764), (326, 62060), (428, 47270), (535, 37816), (580, 34882), (652, 31030), (815, 24824), (856, 23635), (1070, 18908), (1160, 17441), (1304, 15515), (1630, 12412), (2140, 9454), (3103, 6520), (3260, 6206), (4280, 4727)]