2015959240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{690397}}^1$

素因数の和:690481

約数の個数: 32

約数和(自身を含む): 4598050680

約数和(自身を除く): 2582091440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 690397, 1380794, 2761588, 3451985, 5523176, 6903970, 13807940, 27615880, 50398981, 100797962, 201595924, 251994905, 403191848, 503989810, 1007979620, 2015959240]

約数ペア:

[(1, 2015959240), (2, 1007979620), (4, 503989810), (5, 403191848), (8, 251994905), (10, 201595924), (20, 100797962), (40, 50398981), (73, 27615880), (146, 13807940), (292, 6903970), (365, 5523176), (584, 3451985), (730, 2761588), (1460, 1380794), (2920, 690397)]