56317420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 123832800

約数和(自身を除く): 67515380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 580, 890, 1091, 1780, 2182, 2581, 4364, 5162, 5455, 10324, 10910, 12905, 21820, 25810, 31639, 51620, 63278, 97099, 126556, 158195, 194198, 316390, 388396, 485495, 632780, 970990, 1941980, 2815871, 5631742, 11263484, 14079355, 28158710, 56317420]

約数ペア:

[(1, 56317420), (2, 28158710), (4, 14079355), (5, 11263484), (10, 5631742), (20, 2815871), (29, 1941980), (58, 970990), (89, 632780), (116, 485495), (145, 388396), (178, 316390), (290, 194198), (356, 158195), (445, 126556), (580, 97099), (890, 63278), (1091, 51620), (1780, 31639), (2182, 25810), (2581, 21820), (4364, 12905), (5162, 10910), (5455, 10324)]