81115450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{124793}}^1$

素因数の和:124818

約数の個数: 24

約数和(自身を含む): 162481788

約数和(自身を除く): 81366338

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 124793, 249586, 623965, 1247930, 1622309, 3119825, 3244618, 6239650, 8111545, 16223090, 40557725, 81115450]

約数ペア:

[(1, 81115450), (2, 40557725), (5, 16223090), (10, 8111545), (13, 6239650), (25, 3244618), (26, 3119825), (50, 1622309), (65, 1247930), (130, 623965), (325, 249586), (650, 124793)]