55127420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 119151648

約数和(自身を除く): 64024228

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 131, 212, 262, 265, 397, 524, 530, 655, 794, 1060, 1310, 1588, 1985, 2620, 3970, 6943, 7940, 13886, 21041, 27772, 34715, 42082, 52007, 69430, 84164, 104014, 105205, 138860, 208028, 210410, 260035, 420820, 520070, 1040140, 2756371, 5512742, 11025484, 13781855, 27563710, 55127420]

約数ペア:

[(1, 55127420), (2, 27563710), (4, 13781855), (5, 11025484), (10, 5512742), (20, 2756371), (53, 1040140), (106, 520070), (131, 420820), (212, 260035), (262, 210410), (265, 208028), (397, 138860), (524, 105205), (530, 104014), (655, 84164), (794, 69430), (1060, 52007), (1310, 42082), (1588, 34715), (1985, 27772), (2620, 21041), (3970, 13886), (6943, 7940)]