40475188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 79470160

約数和(自身を除く): 38994972

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 109, 148, 193, 218, 386, 436, 481, 772, 962, 1417, 1924, 2509, 2834, 4033, 5018, 5668, 7141, 8066, 10036, 14282, 16132, 21037, 28564, 42074, 52429, 84148, 92833, 104858, 185666, 209716, 273481, 371332, 546962, 778369, 1093924, 1556738, 3113476, 10118797, 20237594, 40475188]

約数ペア:

[(1, 40475188), (2, 20237594), (4, 10118797), (13, 3113476), (26, 1556738), (37, 1093924), (52, 778369), (74, 546962), (109, 371332), (148, 273481), (193, 209716), (218, 185666), (386, 104858), (436, 92833), (481, 84148), (772, 52429), (962, 42074), (1417, 28564), (1924, 21037), (2509, 16132), (2834, 14282), (4033, 10036), (5018, 8066), (5668, 7141)]