91456520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{32203}}^1$

素因数の和:32285

約数の個数: 32

約数和(自身を含む): 208681920

約数和(自身を除く): 117225400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 32203, 64406, 128812, 161015, 257624, 322030, 644060, 1288120, 2286413, 4572826, 9145652, 11432065, 18291304, 22864130, 45728260, 91456520]

約数ペア:

[(1, 91456520), (2, 45728260), (4, 22864130), (5, 18291304), (8, 11432065), (10, 9145652), (20, 4572826), (40, 2286413), (71, 1288120), (142, 644060), (284, 322030), (355, 257624), (568, 161015), (710, 128812), (1420, 64406), (2840, 32203)]