84311320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67993}}^1$

素因数の和:68035

約数の個数: 32

約数和(自身を含む): 195822720

約数和(自身を除く): 111511400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 67993, 135986, 271972, 339965, 543944, 679930, 1359860, 2107783, 2719720, 4215566, 8431132, 10538915, 16862264, 21077830, 42155660, 84311320]

約数ペア:

[(1, 84311320), (2, 42155660), (4, 21077830), (5, 16862264), (8, 10538915), (10, 8431132), (20, 4215566), (31, 2719720), (40, 2107783), (62, 1359860), (124, 679930), (155, 543944), (248, 339965), (310, 271972), (620, 135986), (1240, 67993)]