66258520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 159213600

約数和(自身を除く): 92955080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 278, 340, 556, 680, 695, 701, 1112, 1390, 1402, 2363, 2780, 2804, 3505, 4726, 5560, 5608, 7010, 9452, 11815, 11917, 14020, 18904, 23630, 23834, 28040, 47260, 47668, 59585, 94520, 95336, 97439, 119170, 194878, 238340, 389756, 476680, 487195, 779512, 974390, 1656463, 1948780, 3312926, 3897560, 6625852, 8282315, 13251704, 16564630, 33129260, 66258520]

約数ペア:

[(1, 66258520), (2, 33129260), (4, 16564630), (5, 13251704), (8, 8282315), (10, 6625852), (17, 3897560), (20, 3312926), (34, 1948780), (40, 1656463), (68, 974390), (85, 779512), (136, 487195), (139, 476680), (170, 389756), (278, 238340), (340, 194878), (556, 119170), (680, 97439), (695, 95336), (701, 94520), (1112, 59585), (1390, 47668), (1402, 47260), (2363, 28040), (2780, 23834), (2804, 23630), (3505, 18904), (4726, 14020), (5560, 11917), (5608, 11815), (7010, 9452)]