85309120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20507}}^1$

素因数の和:20537

約数の個数: 56

約数和(自身を含む): 218779344

約数和(自身を除く): 133470224

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, 20507, 41014, 82028, 102535, 164056, 205070, 266591, 328112, 410140, 533182, 656224, 820280, 1066364, 1312448, 1332955, 1640560, 2132728, 2665910, 3281120, 4265456, 5331820, 6562240, 8530912, 10663640, 17061824, 21327280, 42654560, 85309120]

約数ペア:

[(1, 85309120), (2, 42654560), (4, 21327280), (5, 17061824), (8, 10663640), (10, 8530912), (13, 6562240), (16, 5331820), (20, 4265456), (26, 3281120), (32, 2665910), (40, 2132728), (52, 1640560), (64, 1332955), (65, 1312448), (80, 1066364), (104, 820280), (130, 656224), (160, 533182), (208, 410140), (260, 328112), (320, 266591), (416, 205070), (520, 164056), (832, 102535), (1040, 82028), (2080, 41014), (4160, 20507)]