26526700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 61107200

約数和(自身を除く): 34580500

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 43, 50, 62, 86, 100, 124, 155, 172, 199, 215, 310, 398, 430, 620, 775, 796, 860, 995, 1075, 1333, 1550, 1990, 2150, 2666, 3100, 3980, 4300, 4975, 5332, 6169, 6665, 8557, 9950, 12338, 13330, 17114, 19900, 24676, 26660, 30845, 33325, 34228, 42785, 61690, 66650, 85570, 123380, 133300, 154225, 171140, 213925, 265267, 308450, 427850, 530534, 616900, 855700, 1061068, 1326335, 2652670, 5305340, 6631675, 13263350, 26526700]

約数ペア:

[(1, 26526700), (2, 13263350), (4, 6631675), (5, 5305340), (10, 2652670), (20, 1326335), (25, 1061068), (31, 855700), (43, 616900), (50, 530534), (62, 427850), (86, 308450), (100, 265267), (124, 213925), (155, 171140), (172, 154225), (199, 133300), (215, 123380), (310, 85570), (398, 66650), (430, 61690), (620, 42785), (775, 34228), (796, 33325), (860, 30845), (995, 26660), (1075, 24676), (1333, 19900), (1550, 17114), (1990, 13330), (2150, 12338), (2666, 9950), (3100, 8557), (3980, 6665), (4300, 6169), (4975, 5332)]