85551320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68993}}^1$

素因数の和:69035

約数の個数: 32

約数和(自身を含む): 198702720

約数和(自身を除く): 113151400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 68993, 137986, 275972, 344965, 551944, 689930, 1379860, 2138783, 2759720, 4277566, 8555132, 10693915, 17110264, 21387830, 42775660, 85551320]

約数ペア:

[(1, 85551320), (2, 42775660), (4, 21387830), (5, 17110264), (8, 10693915), (10, 8555132), (20, 4277566), (31, 2759720), (40, 2138783), (62, 1379860), (124, 689930), (155, 551944), (248, 344965), (310, 275972), (620, 137986), (1240, 68993)]