40565140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 111694464

約数和(自身を除く): 71129324

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 53, 55, 70, 71, 77, 98, 106, 110, 140, 142, 154, 196, 212, 220, 245, 265, 284, 308, 355, 371, 385, 490, 497, 530, 539, 583, 710, 742, 770, 781, 980, 994, 1060, 1078, 1166, 1420, 1484, 1540, 1562, 1855, 1988, 2156, 2332, 2485, 2597, 2695, 2915, 3124, 3479, 3710, 3763, 3905, 4081, 4970, 5194, 5390, 5467, 5830, 6958, 7420, 7526, 7810, 8162, 9940, 10388, 10780, 10934, 11660, 12985, 13916, 15052, 15620, 16324, 17395, 18815, 20405, 21868, 25970, 26341, 27335, 28567, 34790, 37630, 38269, 40810, 41393, 51940, 52682, 54670, 57134, 69580, 75260, 76538, 81620, 82786, 105364, 109340, 114268, 131705, 142835, 153076, 165572, 184387, 191345, 206965, 263410, 285670, 289751, 368774, 382690, 413930, 526820, 571340, 579502, 737548, 765380, 827860, 921935, 1159004, 1448755, 1843870, 2028257, 2897510, 3687740, 4056514, 5795020, 8113028, 10141285, 20282570, 40565140]

約数ペア:

[(1, 40565140), (2, 20282570), (4, 10141285), (5, 8113028), (7, 5795020), (10, 4056514), (11, 3687740), (14, 2897510), (20, 2028257), (22, 1843870), (28, 1448755), (35, 1159004), (44, 921935), (49, 827860), (53, 765380), (55, 737548), (70, 579502), (71, 571340), (77, 526820), (98, 413930), (106, 382690), (110, 368774), (140, 289751), (142, 285670), (154, 263410), (196, 206965), (212, 191345), (220, 184387), (245, 165572), (265, 153076), (284, 142835), (308, 131705), (355, 114268), (371, 109340), (385, 105364), (490, 82786), (497, 81620), (530, 76538), (539, 75260), (583, 69580), (710, 57134), (742, 54670), (770, 52682), (781, 51940), (980, 41393), (994, 40810), (1060, 38269), (1078, 37630), (1166, 34790), (1420, 28567), (1484, 27335), (1540, 26341), (1562, 25970), (1855, 21868), (1988, 20405), (2156, 18815), (2332, 17395), (2485, 16324), (2597, 15620), (2695, 15052), (2915, 13916), (3124, 12985), (3479, 11660), (3710, 10934), (3763, 10780), (3905, 10388), (4081, 9940), (4970, 8162), (5194, 7810), (5390, 7526), (5467, 7420), (5830, 6958)]