22501040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:298

約数の個数: 80

約数和(自身を含む): 55520256

約数和(自身を除く): 33019216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 211, 215, 248, 310, 344, 422, 430, 496, 620, 688, 844, 860, 1055, 1240, 1333, 1688, 1720, 2110, 2480, 2666, 3376, 3440, 4220, 5332, 6541, 6665, 8440, 9073, 10664, 13082, 13330, 16880, 18146, 21328, 26164, 26660, 32705, 36292, 45365, 52328, 53320, 65410, 72584, 90730, 104656, 106640, 130820, 145168, 181460, 261640, 281263, 362920, 523280, 562526, 725840, 1125052, 1406315, 2250104, 2812630, 4500208, 5625260, 11250520, 22501040]

約数ペア:

[(1, 22501040), (2, 11250520), (4, 5625260), (5, 4500208), (8, 2812630), (10, 2250104), (16, 1406315), (20, 1125052), (31, 725840), (40, 562526), (43, 523280), (62, 362920), (80, 281263), (86, 261640), (124, 181460), (155, 145168), (172, 130820), (211, 106640), (215, 104656), (248, 90730), (310, 72584), (344, 65410), (422, 53320), (430, 52328), (496, 45365), (620, 36292), (688, 32705), (844, 26660), (860, 26164), (1055, 21328), (1240, 18146), (1333, 16880), (1688, 13330), (1720, 13082), (2110, 10664), (2480, 9073), (2666, 8440), (3376, 6665), (3440, 6541), (4220, 5332)]