85708360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 198132480

約数和(自身を除く): 112424120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 103, 142, 206, 284, 293, 355, 412, 515, 568, 586, 710, 824, 1030, 1172, 1420, 1465, 2060, 2344, 2840, 2930, 4120, 5860, 7313, 11720, 14626, 20803, 29252, 30179, 36565, 41606, 58504, 60358, 73130, 83212, 104015, 120716, 146260, 150895, 166424, 208030, 241432, 292520, 301790, 416060, 603580, 832120, 1207160, 2142709, 4285418, 8570836, 10713545, 17141672, 21427090, 42854180, 85708360]

約数ペア:

[(1, 85708360), (2, 42854180), (4, 21427090), (5, 17141672), (8, 10713545), (10, 8570836), (20, 4285418), (40, 2142709), (71, 1207160), (103, 832120), (142, 603580), (206, 416060), (284, 301790), (293, 292520), (355, 241432), (412, 208030), (515, 166424), (568, 150895), (586, 146260), (710, 120716), (824, 104015), (1030, 83212), (1172, 73130), (1420, 60358), (1465, 58504), (2060, 41606), (2344, 36565), (2840, 30179), (2930, 29252), (4120, 20803), (5860, 14626), (7313, 11720)]