2158130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1277}}^1$

素因数の和:1310

約数の個数: 24

約数和(自身を含む): 4209732

約数和(自身を除く): 2051602

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1277, 1690, 2554, 6385, 12770, 16601, 33202, 83005, 166010, 215813, 431626, 1079065, 2158130]

約数ペア:

[(1, 2158130), (2, 1079065), (5, 431626), (10, 215813), (13, 166010), (26, 83005), (65, 33202), (130, 16601), (169, 12770), (338, 6385), (845, 2554), (1277, 1690)]