40255880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1319}}^1$

素因数の和:1446

約数の個数: 64

約数和(自身を含む): 104544000

約数和(自身を除く): 64288120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1319, 1526, 2180, 2638, 3052, 3815, 4360, 5276, 6104, 6595, 7630, 9233, 10552, 13190, 15260, 18466, 26380, 30520, 36932, 46165, 52760, 73864, 92330, 143771, 184660, 287542, 369320, 575084, 718855, 1006397, 1150168, 1437710, 2012794, 2875420, 4025588, 5031985, 5750840, 8051176, 10063970, 20127940, 40255880]

約数ペア:

[(1, 40255880), (2, 20127940), (4, 10063970), (5, 8051176), (7, 5750840), (8, 5031985), (10, 4025588), (14, 2875420), (20, 2012794), (28, 1437710), (35, 1150168), (40, 1006397), (56, 718855), (70, 575084), (109, 369320), (140, 287542), (218, 184660), (280, 143771), (436, 92330), (545, 73864), (763, 52760), (872, 46165), (1090, 36932), (1319, 30520), (1526, 26380), (2180, 18466), (2638, 15260), (3052, 13190), (3815, 10552), (4360, 9233), (5276, 7630), (6104, 6595)]