133740280

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{20021}}^1$

素因数の和:20199

約数の個数: 32

約数和(自身を含む): 302732640

約数和(自身を除く): 168992360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 20021, 40042, 80084, 100105, 160168, 200210, 400420, 800840, 3343507, 6687014, 13374028, 16717535, 26748056, 33435070, 66870140, 133740280]

約数ペア:

[(1, 133740280), (2, 66870140), (4, 33435070), (5, 26748056), (8, 16717535), (10, 13374028), (20, 6687014), (40, 3343507), (167, 800840), (334, 400420), (668, 200210), (835, 160168), (1336, 100105), (1670, 80084), (3340, 40042), (6680, 20021)]