40958440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 105753600

約数和(自身を除く): 64795160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 31, 34, 40, 58, 62, 67, 68, 85, 116, 124, 134, 136, 145, 155, 170, 232, 248, 268, 290, 310, 335, 340, 493, 527, 536, 580, 620, 670, 680, 899, 986, 1054, 1139, 1160, 1240, 1340, 1798, 1943, 1972, 2077, 2108, 2278, 2465, 2635, 2680, 3596, 3886, 3944, 4154, 4216, 4495, 4556, 4930, 5270, 5695, 7192, 7772, 8308, 8990, 9112, 9715, 9860, 10385, 10540, 11390, 15283, 15544, 16616, 17980, 19430, 19720, 20770, 21080, 22780, 30566, 33031, 35309, 35960, 38860, 41540, 45560, 60233, 61132, 66062, 70618, 76415, 77720, 83080, 120466, 122264, 132124, 141236, 152830, 165155, 176545, 240932, 264248, 282472, 301165, 305660, 330310, 353090, 481864, 602330, 611320, 660620, 706180, 1023961, 1204660, 1321240, 1412360, 2047922, 2409320, 4095844, 5119805, 8191688, 10239610, 20479220, 40958440]

約数ペア:

[(1, 40958440), (2, 20479220), (4, 10239610), (5, 8191688), (8, 5119805), (10, 4095844), (17, 2409320), (20, 2047922), (29, 1412360), (31, 1321240), (34, 1204660), (40, 1023961), (58, 706180), (62, 660620), (67, 611320), (68, 602330), (85, 481864), (116, 353090), (124, 330310), (134, 305660), (136, 301165), (145, 282472), (155, 264248), (170, 240932), (232, 176545), (248, 165155), (268, 152830), (290, 141236), (310, 132124), (335, 122264), (340, 120466), (493, 83080), (527, 77720), (536, 76415), (580, 70618), (620, 66062), (670, 61132), (680, 60233), (899, 45560), (986, 41540), (1054, 38860), (1139, 35960), (1160, 35309), (1240, 33031), (1340, 30566), (1798, 22780), (1943, 21080), (1972, 20770), (2077, 19720), (2108, 19430), (2278, 17980), (2465, 16616), (2635, 15544), (2680, 15283), (3596, 11390), (3886, 10540), (3944, 10385), (4154, 9860), (4216, 9715), (4495, 9112), (4556, 8990), (4930, 8308), (5270, 7772), (5695, 7192)]