11250520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 26864640

約数和(自身を除く): 15614120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 211, 215, 248, 310, 344, 422, 430, 620, 844, 860, 1055, 1240, 1333, 1688, 1720, 2110, 2666, 4220, 5332, 6541, 6665, 8440, 9073, 10664, 13082, 13330, 18146, 26164, 26660, 32705, 36292, 45365, 52328, 53320, 65410, 72584, 90730, 130820, 181460, 261640, 281263, 362920, 562526, 1125052, 1406315, 2250104, 2812630, 5625260, 11250520]

約数ペア:

[(1, 11250520), (2, 5625260), (4, 2812630), (5, 2250104), (8, 1406315), (10, 1125052), (20, 562526), (31, 362920), (40, 281263), (43, 261640), (62, 181460), (86, 130820), (124, 90730), (155, 72584), (172, 65410), (211, 53320), (215, 52328), (248, 45365), (310, 36292), (344, 32705), (422, 26660), (430, 26164), (620, 18146), (844, 13330), (860, 13082), (1055, 10664), (1240, 9073), (1333, 8440), (1688, 6665), (1720, 6541), (2110, 5332), (2666, 4220)]