40406405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 54813024

約数和(自身を除く): 14406619

約数列:

[1, 5, 13, 37, 53, 65, 185, 265, 317, 481, 689, 1585, 1961, 2405, 3445, 4121, 9805, 11729, 16801, 20605, 25493, 58645, 84005, 127465, 152477, 218413, 621637, 762385, 1092065, 3108185, 8081281, 40406405]

約数ペア:

[(1, 40406405), (5, 8081281), (13, 3108185), (37, 1092065), (53, 762385), (65, 621637), (185, 218413), (265, 152477), (317, 127465), (481, 84005), (689, 58645), (1585, 25493), (1961, 20605), (2405, 16801), (3445, 11729), (4121, 9805)]