71344780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274403}}^1$

素因数の和:274425

約数の個数: 24

約数和(自身を含む): 161349552

約数和(自身を除く): 90004772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 274403, 548806, 1097612, 1372015, 2744030, 3567239, 5488060, 7134478, 14268956, 17836195, 35672390, 71344780]

約数ペア:

[(1, 71344780), (2, 35672390), (4, 17836195), (5, 14268956), (10, 7134478), (13, 5488060), (20, 3567239), (26, 2744030), (52, 1372015), (65, 1097612), (130, 548806), (260, 274403)]