280514260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{16103}}^1$

素因数の和:16192

約数の個数: 48

約数和(自身を含む): 643902336

約数和(自身を除く): 363388076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 16103, 17420, 32206, 64412, 80515, 161030, 209339, 322060, 418678, 837356, 1046695, 1078901, 2093390, 2157802, 4186780, 4315604, 5394505, 10789010, 14025713, 21578020, 28051426, 56102852, 70128565, 140257130, 280514260]

約数ペア:

[(1, 280514260), (2, 140257130), (4, 70128565), (5, 56102852), (10, 28051426), (13, 21578020), (20, 14025713), (26, 10789010), (52, 5394505), (65, 4315604), (67, 4186780), (130, 2157802), (134, 2093390), (260, 1078901), (268, 1046695), (335, 837356), (670, 418678), (871, 322060), (1340, 209339), (1742, 161030), (3484, 80515), (4355, 64412), (8710, 32206), (16103, 17420)]