51240055

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 67829760

約数和(自身を除く): 16589705

約数列:

[1, 5, 19, 31, 95, 127, 137, 155, 589, 635, 685, 2413, 2603, 2945, 3937, 4247, 12065, 13015, 17399, 19685, 21235, 74803, 80693, 86995, 330581, 374015, 403465, 539369, 1652905, 2696845, 10248011, 51240055]

約数ペア:

[(1, 51240055), (5, 10248011), (19, 2696845), (31, 1652905), (95, 539369), (127, 403465), (137, 374015), (155, 330581), (589, 86995), (635, 80693), (685, 74803), (2413, 21235), (2603, 19685), (2945, 17399), (3937, 13015), (4247, 12065)]