65210360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 155105280

約数和(自身を除く): 89894920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1223, 1240, 1333, 1720, 2446, 2666, 4892, 5332, 6115, 6665, 9784, 10664, 12230, 13330, 24460, 26660, 37913, 48920, 52589, 53320, 75826, 105178, 151652, 189565, 210356, 262945, 303304, 379130, 420712, 525890, 758260, 1051780, 1516520, 1630259, 2103560, 3260518, 6521036, 8151295, 13042072, 16302590, 32605180, 65210360]

約数ペア:

[(1, 65210360), (2, 32605180), (4, 16302590), (5, 13042072), (8, 8151295), (10, 6521036), (20, 3260518), (31, 2103560), (40, 1630259), (43, 1516520), (62, 1051780), (86, 758260), (124, 525890), (155, 420712), (172, 379130), (215, 303304), (248, 262945), (310, 210356), (344, 189565), (430, 151652), (620, 105178), (860, 75826), (1223, 53320), (1240, 52589), (1333, 48920), (1720, 37913), (2446, 26660), (2666, 24460), (4892, 13330), (5332, 12230), (6115, 10664), (6665, 9784)]