8281240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 21546000

約数和(自身を除く): 13264760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 59, 88, 110, 116, 118, 121, 145, 220, 232, 236, 242, 290, 295, 319, 440, 472, 484, 580, 590, 605, 638, 649, 968, 1160, 1180, 1210, 1276, 1298, 1595, 1711, 2360, 2420, 2552, 2596, 3190, 3245, 3422, 3509, 4840, 5192, 6380, 6490, 6844, 7018, 7139, 8555, 12760, 12980, 13688, 14036, 14278, 17110, 17545, 18821, 25960, 28072, 28556, 34220, 35090, 35695, 37642, 57112, 68440, 70180, 71390, 75284, 94105, 140360, 142780, 150568, 188210, 207031, 285560, 376420, 414062, 752840, 828124, 1035155, 1656248, 2070310, 4140620, 8281240]

約数ペア:

[(1, 8281240), (2, 4140620), (4, 2070310), (5, 1656248), (8, 1035155), (10, 828124), (11, 752840), (20, 414062), (22, 376420), (29, 285560), (40, 207031), (44, 188210), (55, 150568), (58, 142780), (59, 140360), (88, 94105), (110, 75284), (116, 71390), (118, 70180), (121, 68440), (145, 57112), (220, 37642), (232, 35695), (236, 35090), (242, 34220), (290, 28556), (295, 28072), (319, 25960), (440, 18821), (472, 17545), (484, 17110), (580, 14278), (590, 14036), (605, 13688), (638, 12980), (649, 12760), (968, 8555), (1160, 7139), (1180, 7018), (1210, 6844), (1276, 6490), (1298, 6380), (1595, 5192), (1711, 4840), (2360, 3509), (2420, 3422), (2552, 3245), (2596, 3190)]