66951320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53993}}^1$

素因数の和:54035

約数の個数: 32

約数和(自身を含む): 155502720

約数和(自身を除く): 88551400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 53993, 107986, 215972, 269965, 431944, 539930, 1079860, 1673783, 2159720, 3347566, 6695132, 8368915, 13390264, 16737830, 33475660, 66951320]

約数ペア:

[(1, 66951320), (2, 33475660), (4, 16737830), (5, 13390264), (8, 8368915), (10, 6695132), (20, 3347566), (31, 2159720), (40, 1673783), (62, 1079860), (124, 539930), (155, 431944), (248, 269965), (310, 215972), (620, 107986), (1240, 53993)]