4012999685840

素因数分解:

$2^4\times 5^1\times {\mathrm{135637}}^1\times {\mathrm{369829}}^1$

素因数の和:505479

約数の個数: 40

約数和(自身を含む): 9330318286440

約数和(自身を除く): 5317318600600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 135637, 271274, 369829, 542548, 678185, 739658, 1085096, 1356370, 1479316, 1849145, 2170192, 2712740, 2958632, 3698290, 5425480, 5917264, 7396580, 10850960, 14793160, 29586320, 50162496073, 100324992146, 200649984292, 250812480365, 401299968584, 501624960730, 802599937168, 1003249921460, 2006499842920, 4012999685840]

約数ペア:

[(1, 4012999685840), (2, 2006499842920), (4, 1003249921460), (5, 802599937168), (8, 501624960730), (10, 401299968584), (16, 250812480365), (20, 200649984292), (40, 100324992146), (80, 50162496073), (135637, 29586320), (271274, 14793160), (369829, 10850960), (542548, 7396580), (678185, 5917264), (739658, 5425480), (1085096, 3698290), (1356370, 2958632), (1479316, 2712740), (1849145, 2170192)]