86964560

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9973}}^1$

素因数の和:10095

約数の個数: 40

約数和(自身を含む): 204068040

約数和(自身を除く): 117103480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 9973, 19946, 39892, 49865, 79784, 99730, 159568, 199460, 398920, 797840, 1087057, 2174114, 4348228, 5435285, 8696456, 10870570, 17392912, 21741140, 43482280, 86964560]

約数ペア:

[(1, 86964560), (2, 43482280), (4, 21741140), (5, 17392912), (8, 10870570), (10, 8696456), (16, 5435285), (20, 4348228), (40, 2174114), (80, 1087057), (109, 797840), (218, 398920), (436, 199460), (545, 159568), (872, 99730), (1090, 79784), (1744, 49865), (2180, 39892), (4360, 19946), (8720, 9973)]