25036708720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{44651}}^1$

素因数の和:44870

約数の個数: 80

約数和(自身を含む): 59930842752

約数和(自身を除く): 34894134032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 163, 172, 215, 326, 344, 430, 652, 688, 815, 860, 1304, 1630, 1720, 2608, 3260, 3440, 6520, 7009, 13040, 14018, 28036, 35045, 44651, 56072, 70090, 89302, 112144, 140180, 178604, 223255, 280360, 357208, 446510, 560720, 714416, 893020, 1786040, 1919993, 3572080, 3839986, 7278113, 7679972, 9599965, 14556226, 15359944, 19199930, 29112452, 30719888, 36390565, 38399860, 58224904, 72781130, 76799720, 116449808, 145562260, 153599440, 291124520, 312958859, 582249040, 625917718, 1251835436, 1564794295, 2503670872, 3129588590, 5007341744, 6259177180, 12518354360, 25036708720]

約数ペア:

[(1, 25036708720), (2, 12518354360), (4, 6259177180), (5, 5007341744), (8, 3129588590), (10, 2503670872), (16, 1564794295), (20, 1251835436), (40, 625917718), (43, 582249040), (80, 312958859), (86, 291124520), (163, 153599440), (172, 145562260), (215, 116449808), (326, 76799720), (344, 72781130), (430, 58224904), (652, 38399860), (688, 36390565), (815, 30719888), (860, 29112452), (1304, 19199930), (1630, 15359944), (1720, 14556226), (2608, 9599965), (3260, 7679972), (3440, 7278113), (6520, 3839986), (7009, 3572080), (13040, 1919993), (14018, 1786040), (28036, 893020), (35045, 714416), (44651, 560720), (56072, 446510), (70090, 357208), (89302, 280360), (112144, 223255), (140180, 178604)]