40393405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 55883520

約数和(自身を除く): 15490115

約数列:

[1, 5, 13, 23, 41, 65, 115, 205, 299, 533, 659, 943, 1495, 2665, 3295, 4715, 8567, 12259, 15157, 27019, 42835, 61295, 75785, 135095, 197041, 351247, 621437, 985205, 1756235, 3107185, 8078681, 40393405]

約数ペア:

[(1, 40393405), (5, 8078681), (13, 3107185), (23, 1756235), (41, 985205), (65, 621437), (115, 351247), (205, 197041), (299, 135095), (533, 75785), (659, 61295), (943, 42835), (1495, 27019), (2665, 15157), (3295, 12259), (4715, 8567)]