40665968

素因数分解:

$2^4\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1283}}^1$

素因数の和:1581

約数の個数: 40

約数和(自身を含む): 90434688

約数和(自身を除く): 49768720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 283, 566, 1132, 1283, 1981, 2264, 2566, 3962, 4528, 5132, 7924, 8981, 10264, 15848, 17962, 20528, 31696, 35924, 71848, 143696, 363089, 726178, 1452356, 2541623, 2904712, 5083246, 5809424, 10166492, 20332984, 40665968]

約数ペア:

[(1, 40665968), (2, 20332984), (4, 10166492), (7, 5809424), (8, 5083246), (14, 2904712), (16, 2541623), (28, 1452356), (56, 726178), (112, 363089), (283, 143696), (566, 71848), (1132, 35924), (1283, 31696), (1981, 20528), (2264, 17962), (2566, 15848), (3962, 10264), (4528, 8981), (5132, 7924)]