40807640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 96076800

約数和(自身を除く): 55269160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 127, 145, 232, 254, 277, 290, 508, 554, 580, 635, 1016, 1108, 1160, 1270, 1385, 2216, 2540, 2770, 3683, 5080, 5540, 7366, 8033, 11080, 14732, 16066, 18415, 29464, 32132, 35179, 36830, 40165, 64264, 70358, 73660, 80330, 140716, 147320, 160660, 175895, 281432, 321320, 351790, 703580, 1020191, 1407160, 2040382, 4080764, 5100955, 8161528, 10201910, 20403820, 40807640]

約数ペア:

[(1, 40807640), (2, 20403820), (4, 10201910), (5, 8161528), (8, 5100955), (10, 4080764), (20, 2040382), (29, 1407160), (40, 1020191), (58, 703580), (116, 351790), (127, 321320), (145, 281432), (232, 175895), (254, 160660), (277, 147320), (290, 140716), (508, 80330), (554, 73660), (580, 70358), (635, 64264), (1016, 40165), (1108, 36830), (1160, 35179), (1270, 32132), (1385, 29464), (2216, 18415), (2540, 16066), (2770, 14732), (3683, 11080), (5080, 8033), (5540, 7366)]