84370840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68041}}^1$

素因数の和:68083

約数の個数: 32

約数和(自身を含む): 195960960

約数和(自身を除く): 111590120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 68041, 136082, 272164, 340205, 544328, 680410, 1360820, 2109271, 2721640, 4218542, 8437084, 10546355, 16874168, 21092710, 42185420, 84370840]

約数ペア:

[(1, 84370840), (2, 42185420), (4, 21092710), (5, 16874168), (8, 10546355), (10, 8437084), (20, 4218542), (31, 2721640), (40, 2109271), (62, 1360820), (124, 680410), (155, 544328), (248, 340205), (310, 272164), (620, 136082), (1240, 68041)]