40821235

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1229}}^1$

素因数の和:1327

約数の個数: 32

約数和(自身を含む): 61165440

約数和(自身を除く): 20344205

約数列:

[1, 5, 7, 13, 35, 65, 73, 91, 365, 455, 511, 949, 1229, 2555, 4745, 6145, 6643, 8603, 15977, 33215, 43015, 79885, 89717, 111839, 448585, 559195, 628019, 1166321, 3140095, 5831605, 8164247, 40821235]

約数ペア:

[(1, 40821235), (5, 8164247), (7, 5831605), (13, 3140095), (35, 1166321), (65, 628019), (73, 559195), (91, 448585), (365, 111839), (455, 89717), (511, 79885), (949, 43015), (1229, 33215), (2555, 15977), (4745, 8603), (6145, 6643)]