40006568

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 90720000

約数和(自身を除く): 50713432

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 89, 92, 161, 178, 184, 322, 349, 356, 623, 644, 698, 712, 1246, 1288, 1396, 2047, 2443, 2492, 2792, 4094, 4886, 4984, 8027, 8188, 9772, 14329, 16054, 16376, 19544, 28658, 31061, 32108, 56189, 57316, 62122, 64216, 112378, 114632, 124244, 217427, 224756, 248488, 434854, 449512, 714403, 869708, 1428806, 1739416, 2857612, 5000821, 5715224, 10001642, 20003284, 40006568]

約数ペア:

[(1, 40006568), (2, 20003284), (4, 10001642), (7, 5715224), (8, 5000821), (14, 2857612), (23, 1739416), (28, 1428806), (46, 869708), (56, 714403), (89, 449512), (92, 434854), (161, 248488), (178, 224756), (184, 217427), (322, 124244), (349, 114632), (356, 112378), (623, 64216), (644, 62122), (698, 57316), (712, 56189), (1246, 32108), (1288, 31061), (1396, 28658), (2047, 19544), (2443, 16376), (2492, 16054), (2792, 14329), (4094, 9772), (4886, 8188), (4984, 8027)]