68649880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{132019}}^1$

素因数の和:132043

約数の個数: 32

約数和(自身を含む): 166345200

約数和(自身を除く): 97695320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 132019, 264038, 528076, 660095, 1056152, 1320190, 1716247, 2640380, 3432494, 5280760, 6864988, 8581235, 13729976, 17162470, 34324940, 68649880]

約数ペア:

[(1, 68649880), (2, 34324940), (4, 17162470), (5, 13729976), (8, 8581235), (10, 6864988), (13, 5280760), (20, 3432494), (26, 2640380), (40, 1716247), (52, 1320190), (65, 1056152), (104, 660095), (130, 528076), (260, 264038), (520, 132019)]