853240

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 1950480

約数和(自身を除く): 1097240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 257, 332, 415, 514, 664, 830, 1028, 1285, 1660, 2056, 2570, 3320, 5140, 10280, 21331, 42662, 85324, 106655, 170648, 213310, 426620, 853240]

約数ペア:

[(1, 853240), (2, 426620), (4, 213310), (5, 170648), (8, 106655), (10, 85324), (20, 42662), (40, 21331), (83, 10280), (166, 5140), (257, 3320), (332, 2570), (415, 2056), (514, 1660), (664, 1285), (830, 1028)]