145339720

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{12401}}^1$

素因数の和:12705

約数の個数: 32

約数和(自身を含む): 328156920

約数和(自身を除く): 182817200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 11720, 12401, 24802, 49604, 62005, 99208, 124010, 248020, 496040, 3633493, 7266986, 14533972, 18167465, 29067944, 36334930, 72669860, 145339720]

約数ペア:

[(1, 145339720), (2, 72669860), (4, 36334930), (5, 29067944), (8, 18167465), (10, 14533972), (20, 7266986), (40, 3633493), (293, 496040), (586, 248020), (1172, 124010), (1465, 99208), (2344, 62005), (2930, 49604), (5860, 24802), (11720, 12401)]