20173102640

素因数分解:

$2^4\times 5^1\times {\mathrm{3709}}^1\times {\mathrm{67987}}^1$

素因数の和:71709

約数の個数: 40

約数和(自身を含む): 46915799280

約数和(自身を除く): 26742696640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3709, 7418, 14836, 18545, 29672, 37090, 59344, 67987, 74180, 135974, 148360, 271948, 296720, 339935, 543896, 679870, 1087792, 1359740, 2719480, 5438960, 252163783, 504327566, 1008655132, 1260818915, 2017310264, 2521637830, 4034620528, 5043275660, 10086551320, 20173102640]

約数ペア:

[(1, 20173102640), (2, 10086551320), (4, 5043275660), (5, 4034620528), (8, 2521637830), (10, 2017310264), (16, 1260818915), (20, 1008655132), (40, 504327566), (80, 252163783), (3709, 5438960), (7418, 2719480), (14836, 1359740), (18545, 1087792), (29672, 679870), (37090, 543896), (59344, 339935), (67987, 296720), (74180, 271948), (135974, 148360)]