80030780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{65599}}^1$

素因数の和:65669

約数の個数: 24

約数和(自身を含む): 170822400

約数和(自身を除く): 90791620

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 65599, 131198, 262396, 327995, 655990, 1311980, 4001539, 8003078, 16006156, 20007695, 40015390, 80030780]

約数ペア:

[(1, 80030780), (2, 40015390), (4, 20007695), (5, 16006156), (10, 8003078), (20, 4001539), (61, 1311980), (122, 655990), (244, 327995), (305, 262396), (610, 131198), (1220, 65599)]