50440720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 135205632

約数和(自身を除く): 84764912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 43, 44, 55, 62, 80, 86, 88, 110, 124, 155, 172, 176, 215, 220, 248, 310, 341, 344, 430, 440, 473, 496, 620, 682, 688, 860, 880, 946, 1240, 1333, 1364, 1705, 1720, 1849, 1892, 2365, 2480, 2666, 2728, 3410, 3440, 3698, 3784, 4730, 5332, 5456, 6665, 6820, 7396, 7568, 9245, 9460, 10664, 13330, 13640, 14663, 14792, 18490, 18920, 20339, 21328, 26660, 27280, 29326, 29584, 36980, 37840, 40678, 53320, 57319, 58652, 73315, 73960, 81356, 101695, 106640, 114638, 117304, 146630, 147920, 162712, 203390, 229276, 234608, 286595, 293260, 325424, 406780, 458552, 573190, 586520, 630509, 813560, 917104, 1146380, 1173040, 1261018, 1627120, 2292760, 2522036, 3152545, 4585520, 5044072, 6305090, 10088144, 12610180, 25220360, 50440720]

約数ペア:

[(1, 50440720), (2, 25220360), (4, 12610180), (5, 10088144), (8, 6305090), (10, 5044072), (11, 4585520), (16, 3152545), (20, 2522036), (22, 2292760), (31, 1627120), (40, 1261018), (43, 1173040), (44, 1146380), (55, 917104), (62, 813560), (80, 630509), (86, 586520), (88, 573190), (110, 458552), (124, 406780), (155, 325424), (172, 293260), (176, 286595), (215, 234608), (220, 229276), (248, 203390), (310, 162712), (341, 147920), (344, 146630), (430, 117304), (440, 114638), (473, 106640), (496, 101695), (620, 81356), (682, 73960), (688, 73315), (860, 58652), (880, 57319), (946, 53320), (1240, 40678), (1333, 37840), (1364, 36980), (1705, 29584), (1720, 29326), (1849, 27280), (1892, 26660), (2365, 21328), (2480, 20339), (2666, 18920), (2728, 18490), (3410, 14792), (3440, 14663), (3698, 13640), (3784, 13330), (4730, 10664), (5332, 9460), (5456, 9245), (6665, 7568), (6820, 7396)]