140207860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{539261}}^1$

素因数の和:539283

約数の個数: 24

約数和(自身を含む): 317086056

約数和(自身を除く): 176878196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 539261, 1078522, 2157044, 2696305, 5392610, 7010393, 10785220, 14020786, 28041572, 35051965, 70103930, 140207860]

約数ペア:

[(1, 140207860), (2, 70103930), (4, 35051965), (5, 28041572), (10, 14020786), (13, 10785220), (20, 7010393), (26, 5392610), (52, 2696305), (65, 2157044), (130, 1078522), (260, 539261)]