40487940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5231}}^1$

素因数の和:5289

約数の個数: 72

約数和(自身を含む): 125693568

約数和(自身を除く): 85205628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 5231, 7740, 10462, 15693, 20924, 26155, 31386, 47079, 52310, 62772, 78465, 94158, 104620, 156930, 188316, 224933, 235395, 313860, 449866, 470790, 674799, 899732, 941580, 1124665, 1349598, 2024397, 2249330, 2699196, 3373995, 4048794, 4498660, 6747990, 8097588, 10121985, 13495980, 20243970, 40487940]

約数ペア:

[(1, 40487940), (2, 20243970), (3, 13495980), (4, 10121985), (5, 8097588), (6, 6747990), (9, 4498660), (10, 4048794), (12, 3373995), (15, 2699196), (18, 2249330), (20, 2024397), (30, 1349598), (36, 1124665), (43, 941580), (45, 899732), (60, 674799), (86, 470790), (90, 449866), (129, 313860), (172, 235395), (180, 224933), (215, 188316), (258, 156930), (387, 104620), (430, 94158), (516, 78465), (645, 62772), (774, 52310), (860, 47079), (1290, 31386), (1548, 26155), (1935, 20924), (2580, 15693), (3870, 10462), (5231, 7740)]