131588840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193513}}^1$

素因数の和:193541

約数の個数: 32

約数和(自身を含む): 313492680

約数和(自身を除く): 181903840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 193513, 387026, 774052, 967565, 1548104, 1935130, 3289721, 3870260, 6579442, 7740520, 13158884, 16448605, 26317768, 32897210, 65794420, 131588840]

約数ペア:

[(1, 131588840), (2, 65794420), (4, 32897210), (5, 26317768), (8, 16448605), (10, 13158884), (17, 7740520), (20, 6579442), (34, 3870260), (40, 3289721), (68, 1935130), (85, 1548104), (136, 967565), (170, 774052), (340, 387026), (680, 193513)]