2000851640

素因数分解:

$2^3\times 5^1\times {\mathrm{761}}^1\times {\mathrm{65731}}^1$

素因数の和:66503

約数の個数: 32

約数和(自身を含む): 4507900560

約数和(自身を除く): 2507048920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 761, 1522, 3044, 3805, 6088, 7610, 15220, 30440, 65731, 131462, 262924, 328655, 525848, 657310, 1314620, 2629240, 50021291, 100042582, 200085164, 250106455, 400170328, 500212910, 1000425820, 2000851640]

約数ペア:

[(1, 2000851640), (2, 1000425820), (4, 500212910), (5, 400170328), (8, 250106455), (10, 200085164), (20, 100042582), (40, 50021291), (761, 2629240), (1522, 1314620), (3044, 657310), (3805, 525848), (6088, 328655), (7610, 262924), (15220, 131462), (30440, 65731)]