65918320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 166364352

約数和(自身を除く): 100446032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 241, 260, 263, 482, 520, 526, 964, 1040, 1052, 1205, 1315, 1928, 2104, 2410, 2630, 3133, 3419, 3856, 4208, 4820, 5260, 6266, 6838, 9640, 10520, 12532, 13676, 15665, 17095, 19280, 21040, 25064, 27352, 31330, 34190, 50128, 54704, 62660, 63383, 68380, 125320, 126766, 136760, 250640, 253532, 273520, 316915, 507064, 633830, 823979, 1014128, 1267660, 1647958, 2535320, 3295916, 4119895, 5070640, 6591832, 8239790, 13183664, 16479580, 32959160, 65918320]

約数ペア:

[(1, 65918320), (2, 32959160), (4, 16479580), (5, 13183664), (8, 8239790), (10, 6591832), (13, 5070640), (16, 4119895), (20, 3295916), (26, 2535320), (40, 1647958), (52, 1267660), (65, 1014128), (80, 823979), (104, 633830), (130, 507064), (208, 316915), (241, 273520), (260, 253532), (263, 250640), (482, 136760), (520, 126766), (526, 125320), (964, 68380), (1040, 63383), (1052, 62660), (1205, 54704), (1315, 50128), (1928, 34190), (2104, 31330), (2410, 27352), (2630, 25064), (3133, 21040), (3419, 19280), (3856, 17095), (4208, 15665), (4820, 13676), (5260, 12532), (6266, 10520), (6838, 9640)]