12290260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 27320832

約数和(自身を除く): 15030572

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 461, 620, 860, 922, 1333, 1844, 2305, 2666, 4610, 5332, 6665, 9220, 13330, 14291, 19823, 26660, 28582, 39646, 57164, 71455, 79292, 99115, 142910, 198230, 285820, 396460, 614513, 1229026, 2458052, 3072565, 6145130, 12290260]

約数ペア:

[(1, 12290260), (2, 6145130), (4, 3072565), (5, 2458052), (10, 1229026), (20, 614513), (31, 396460), (43, 285820), (62, 198230), (86, 142910), (124, 99115), (155, 79292), (172, 71455), (215, 57164), (310, 39646), (430, 28582), (461, 26660), (620, 19823), (860, 14291), (922, 13330), (1333, 9220), (1844, 6665), (2305, 5332), (2666, 4610)]