80139930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205487}}^1$

素因数の和:205510

約数の個数: 32

約数和(自身を含む): 207131904

約数和(自身を除く): 126991974

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 205487, 410974, 616461, 1027435, 1232922, 2054870, 2671331, 3082305, 5342662, 6164610, 8013993, 13356655, 16027986, 26713310, 40069965, 80139930]

約数ペア:

[(1, 80139930), (2, 40069965), (3, 26713310), (5, 16027986), (6, 13356655), (10, 8013993), (13, 6164610), (15, 5342662), (26, 3082305), (30, 2671331), (39, 2054870), (65, 1232922), (78, 1027435), (130, 616461), (195, 410974), (390, 205487)]