80137405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 107308800

約数和(自身を除く): 27171395

約数列:

[1, 5, 17, 23, 85, 115, 179, 229, 391, 895, 1145, 1955, 3043, 3893, 4117, 5267, 15215, 19465, 20585, 26335, 40991, 69989, 89539, 204955, 349945, 447695, 696847, 942793, 3484235, 4713965, 16027481, 80137405]

約数ペア:

[(1, 80137405), (5, 16027481), (17, 4713965), (23, 3484235), (85, 942793), (115, 696847), (179, 447695), (229, 349945), (391, 204955), (895, 89539), (1145, 69989), (1955, 40991), (3043, 26335), (3893, 20585), (4117, 19465), (5267, 15215)]