20238077800

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{27253}}^1$

素因数の和:27395

約数の個数: 96

約数和(自身を含む): 48664742400

約数和(自身を除く): 28426664600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 79, 94, 100, 158, 188, 200, 235, 316, 376, 395, 470, 632, 790, 940, 1175, 1580, 1880, 1975, 2350, 3160, 3713, 3950, 4700, 7426, 7900, 9400, 14852, 15800, 18565, 27253, 29704, 37130, 54506, 74260, 92825, 109012, 136265, 148520, 185650, 218024, 272530, 371300, 545060, 681325, 742600, 1090120, 1280891, 1362650, 2152987, 2561782, 2725300, 4305974, 5123564, 5450600, 6404455, 8611948, 10247128, 10764935, 12808910, 17223896, 21529870, 25617820, 32022275, 43059740, 51235640, 53824675, 64044550, 86119480, 101190389, 107649350, 128089100, 202380778, 215298700, 256178200, 404761556, 430597400, 505951945, 809523112, 1011903890, 2023807780, 2529759725, 4047615560, 5059519450, 10119038900, 20238077800]

約数ペア:

[(1, 20238077800), (2, 10119038900), (4, 5059519450), (5, 4047615560), (8, 2529759725), (10, 2023807780), (20, 1011903890), (25, 809523112), (40, 505951945), (47, 430597400), (50, 404761556), (79, 256178200), (94, 215298700), (100, 202380778), (158, 128089100), (188, 107649350), (200, 101190389), (235, 86119480), (316, 64044550), (376, 53824675), (395, 51235640), (470, 43059740), (632, 32022275), (790, 25617820), (940, 21529870), (1175, 17223896), (1580, 12808910), (1880, 10764935), (1975, 10247128), (2350, 8611948), (3160, 6404455), (3713, 5450600), (3950, 5123564), (4700, 4305974), (7426, 2725300), (7900, 2561782), (9400, 2152987), (14852, 1362650), (15800, 1280891), (18565, 1090120), (27253, 742600), (29704, 681325), (37130, 545060), (54506, 371300), (74260, 272530), (92825, 218024), (109012, 185650), (136265, 148520)]