84266680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67957}}^1$

素因数の和:67999

約数の個数: 32

約数和(自身を含む): 195719040

約数和(自身を除く): 111452360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 67957, 135914, 271828, 339785, 543656, 679570, 1359140, 2106667, 2718280, 4213334, 8426668, 10533335, 16853336, 21066670, 42133340, 84266680]

約数ペア:

[(1, 84266680), (2, 42133340), (4, 21066670), (5, 16853336), (8, 10533335), (10, 8426668), (20, 4213334), (31, 2718280), (40, 2106667), (62, 1359140), (124, 679570), (155, 543656), (248, 339785), (310, 271828), (620, 135914), (1240, 67957)]