20199774800

素因数分解:

$2^4\times 5^2\times {\mathrm{3929}}^1\times {\mathrm{12853}}^1$

素因数の和:16800

約数の個数: 60

約数和(自身を含む): 48546087420

約数和(自身を除く): 28346312620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 3929, 7858, 12853, 15716, 19645, 25706, 31432, 39290, 51412, 62864, 64265, 78580, 98225, 102824, 128530, 157160, 196450, 205648, 257060, 314320, 321325, 392900, 514120, 642650, 785800, 1028240, 1285300, 1571600, 2570600, 5141200, 50499437, 100998874, 201997748, 252497185, 403995496, 504994370, 807990992, 1009988740, 1262485925, 2019977480, 2524971850, 4039954960, 5049943700, 10099887400, 20199774800]

約数ペア:

[(1, 20199774800), (2, 10099887400), (4, 5049943700), (5, 4039954960), (8, 2524971850), (10, 2019977480), (16, 1262485925), (20, 1009988740), (25, 807990992), (40, 504994370), (50, 403995496), (80, 252497185), (100, 201997748), (200, 100998874), (400, 50499437), (3929, 5141200), (7858, 2570600), (12853, 1571600), (15716, 1285300), (19645, 1028240), (25706, 785800), (31432, 642650), (39290, 514120), (51412, 392900), (62864, 321325), (64265, 314320), (78580, 257060), (98225, 205648), (102824, 196450), (128530, 157160)]