66155440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63611}}^1$

素因数の和:63637

約数の個数: 40

約数和(自身を含む): 165645648

約数和(自身を除く): 99490208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63611, 127222, 254444, 318055, 508888, 636110, 826943, 1017776, 1272220, 1653886, 2544440, 3307772, 4134715, 5088880, 6615544, 8269430, 13231088, 16538860, 33077720, 66155440]

約数ペア:

[(1, 66155440), (2, 33077720), (4, 16538860), (5, 13231088), (8, 8269430), (10, 6615544), (13, 5088880), (16, 4134715), (20, 3307772), (26, 2544440), (40, 1653886), (52, 1272220), (65, 1017776), (80, 826943), (104, 636110), (130, 508888), (208, 318055), (260, 254444), (520, 127222), (1040, 63611)]