28291295440

素因数分解:

$2^4\times 5^1\times {\mathrm{9929}}^1\times {\mathrm{35617}}^1$

素因数の和:45559

約数の個数: 40

約数和(自身を含む): 65785733640

約数和(自身を除く): 37494438200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9929, 19858, 35617, 39716, 49645, 71234, 79432, 99290, 142468, 158864, 178085, 198580, 284936, 356170, 397160, 569872, 712340, 794320, 1424680, 2849360, 353641193, 707282386, 1414564772, 1768205965, 2829129544, 3536411930, 5658259088, 7072823860, 14145647720, 28291295440]

約数ペア:

[(1, 28291295440), (2, 14145647720), (4, 7072823860), (5, 5658259088), (8, 3536411930), (10, 2829129544), (16, 1768205965), (20, 1414564772), (40, 707282386), (80, 353641193), (9929, 2849360), (19858, 1424680), (35617, 794320), (39716, 712340), (49645, 569872), (71234, 397160), (79432, 356170), (99290, 284936), (142468, 198580), (158864, 178085)]