78838870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{8053}}^1$

素因数の和:8160

約数の個数: 32

約数和(自身を含む): 156569760

約数和(自身を除く): 77730890

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 8053, 9790, 16106, 40265, 80530, 88583, 177166, 442915, 716717, 885830, 1433434, 3583585, 7167170, 7883887, 15767774, 39419435, 78838870]

約数ペア:

[(1, 78838870), (2, 39419435), (5, 15767774), (10, 7883887), (11, 7167170), (22, 3583585), (55, 1433434), (89, 885830), (110, 716717), (178, 442915), (445, 177166), (890, 88583), (979, 80530), (1958, 40265), (4895, 16106), (8053, 9790)]