26353840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 64424448

約数和(自身を除く): 38070608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 163, 172, 188, 215, 235, 326, 344, 376, 430, 470, 652, 688, 752, 815, 860, 940, 1304, 1630, 1720, 1880, 2021, 2608, 3260, 3440, 3760, 4042, 6520, 7009, 7661, 8084, 10105, 13040, 14018, 15322, 16168, 20210, 28036, 30644, 32336, 35045, 38305, 40420, 56072, 61288, 70090, 76610, 80840, 112144, 122576, 140180, 153220, 161680, 280360, 306440, 329423, 560720, 612880, 658846, 1317692, 1647115, 2635384, 3294230, 5270768, 6588460, 13176920, 26353840]

約数ペア:

[(1, 26353840), (2, 13176920), (4, 6588460), (5, 5270768), (8, 3294230), (10, 2635384), (16, 1647115), (20, 1317692), (40, 658846), (43, 612880), (47, 560720), (80, 329423), (86, 306440), (94, 280360), (163, 161680), (172, 153220), (188, 140180), (215, 122576), (235, 112144), (326, 80840), (344, 76610), (376, 70090), (430, 61288), (470, 56072), (652, 40420), (688, 38305), (752, 35045), (815, 32336), (860, 30644), (940, 28036), (1304, 20210), (1630, 16168), (1720, 15322), (1880, 14018), (2021, 13040), (2608, 10105), (3260, 8084), (3440, 7661), (3760, 7009), (4042, 6520)]