3947480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 9525600

約数和(自身を除く): 5578120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 83, 116, 145, 164, 166, 205, 232, 290, 328, 332, 410, 415, 580, 664, 820, 830, 1160, 1189, 1640, 1660, 2378, 2407, 3320, 3403, 4756, 4814, 5945, 6806, 9512, 9628, 11890, 12035, 13612, 17015, 19256, 23780, 24070, 27224, 34030, 47560, 48140, 68060, 96280, 98687, 136120, 197374, 394748, 493435, 789496, 986870, 1973740, 3947480]

約数ペア:

[(1, 3947480), (2, 1973740), (4, 986870), (5, 789496), (8, 493435), (10, 394748), (20, 197374), (29, 136120), (40, 98687), (41, 96280), (58, 68060), (82, 48140), (83, 47560), (116, 34030), (145, 27224), (164, 24070), (166, 23780), (205, 19256), (232, 17015), (290, 13612), (328, 12035), (332, 11890), (410, 9628), (415, 9512), (580, 6806), (664, 5945), (820, 4814), (830, 4756), (1160, 3403), (1189, 3320), (1640, 2407), (1660, 2378)]