78064220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{300247}}^1$

素因数の和:300269

約数の個数: 24

約数和(自身を含む): 176545824

約数和(自身を除く): 98481604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 300247, 600494, 1200988, 1501235, 3002470, 3903211, 6004940, 7806422, 15612844, 19516055, 39032110, 78064220]

約数ペア:

[(1, 78064220), (2, 39032110), (4, 19516055), (5, 15612844), (10, 7806422), (13, 6004940), (20, 3903211), (26, 3002470), (52, 1501235), (65, 1200988), (130, 600494), (260, 300247)]