12850120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 30666240

約数和(自身を除く): 17816120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 241, 248, 310, 344, 430, 482, 620, 860, 964, 1205, 1240, 1333, 1720, 1928, 2410, 2666, 4820, 5332, 6665, 7471, 9640, 10363, 10664, 13330, 14942, 20726, 26660, 29884, 37355, 41452, 51815, 53320, 59768, 74710, 82904, 103630, 149420, 207260, 298840, 321253, 414520, 642506, 1285012, 1606265, 2570024, 3212530, 6425060, 12850120]

約数ペア:

[(1, 12850120), (2, 6425060), (4, 3212530), (5, 2570024), (8, 1606265), (10, 1285012), (20, 642506), (31, 414520), (40, 321253), (43, 298840), (62, 207260), (86, 149420), (124, 103630), (155, 82904), (172, 74710), (215, 59768), (241, 53320), (248, 51815), (310, 41452), (344, 37355), (430, 29884), (482, 26660), (620, 20726), (860, 14942), (964, 13330), (1205, 10664), (1240, 10363), (1333, 9640), (1720, 7471), (1928, 6665), (2410, 5332), (2666, 4820)]