80020715

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 103118400

約数和(自身を除く): 23097685

約数列:

[1, 5, 29, 61, 83, 109, 145, 305, 415, 545, 1769, 2407, 3161, 5063, 6649, 8845, 9047, 12035, 15805, 25315, 33245, 45235, 146827, 192821, 262363, 551867, 734135, 964105, 1311815, 2759335, 16004143, 80020715]

約数ペア:

[(1, 80020715), (5, 16004143), (29, 2759335), (61, 1311815), (83, 964105), (109, 734135), (145, 551867), (305, 262363), (415, 192821), (545, 146827), (1769, 45235), (2407, 33245), (3161, 25315), (5063, 15805), (6649, 12035), (8845, 9047)]