260689130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{87187}}^1$

素因数の和:87230

約数の個数: 32

約数和(自身を含む): 527313024

約数和(自身を除く): 266623894

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 87187, 174374, 435935, 871870, 1133431, 2005301, 2266862, 4010602, 5667155, 10026505, 11334310, 20053010, 26068913, 52137826, 130344565, 260689130]

約数ペア:

[(1, 260689130), (2, 130344565), (5, 52137826), (10, 26068913), (13, 20053010), (23, 11334310), (26, 10026505), (46, 5667155), (65, 4010602), (115, 2266862), (130, 2005301), (230, 1133431), (299, 871870), (598, 435935), (1495, 174374), (2990, 87187)]