68911960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{132523}}^1$

素因数の和:132547

約数の個数: 32

約数和(自身を含む): 166980240

約数和(自身を除く): 98068280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 132523, 265046, 530092, 662615, 1060184, 1325230, 1722799, 2650460, 3445598, 5300920, 6891196, 8613995, 13782392, 17227990, 34455980, 68911960]

約数ペア:

[(1, 68911960), (2, 34455980), (4, 17227990), (5, 13782392), (8, 8613995), (10, 6891196), (13, 5300920), (20, 3445598), (26, 2650460), (40, 1722799), (52, 1325230), (65, 1060184), (104, 662615), (130, 530092), (260, 265046), (520, 132523)]