85858240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20639}}^1$

素因数の和:20669

約数の個数: 56

約数和(自身を含む): 220187520

約数和(自身を除く): 134329280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 20639, 41278, 82556, 103195, 165112, 206390, 268307, 330224, 412780, 536614, 660448, 825560, 1073228, 1320896, 1341535, 1651120, 2146456, 2683070, 3302240, 4292912, 5366140, 6604480, 8585824, 10732280, 17171648, 21464560, 42929120, 85858240]

約数ペア:

[(1, 85858240), (2, 42929120), (4, 21464560), (5, 17171648), (8, 10732280), (10, 8585824), (13, 6604480), (16, 5366140), (20, 4292912), (26, 3302240), (32, 2683070), (40, 2146456), (52, 1651120), (64, 1341535), (65, 1320896), (80, 1073228), (104, 825560), (130, 660448), (160, 536614), (208, 412780), (260, 330224), (320, 268307), (416, 206390), (520, 165112), (832, 103195), (1040, 82556), (2080, 41278), (4160, 20639)]