40204385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 54327840

約数和(自身を除く): 14123455

約数列:

[1, 5, 13, 37, 65, 73, 185, 229, 365, 481, 949, 1145, 2405, 2701, 2977, 4745, 8473, 13505, 14885, 16717, 35113, 42365, 83585, 110149, 175565, 217321, 550745, 618529, 1086605, 3092645, 8040877, 40204385]

約数ペア:

[(1, 40204385), (5, 8040877), (13, 3092645), (37, 1086605), (65, 618529), (73, 550745), (185, 217321), (229, 175565), (365, 110149), (481, 83585), (949, 42365), (1145, 35113), (2405, 16717), (2701, 14885), (2977, 13505), (4745, 8473)]