85980280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 200491200

約数和(自身を除く): 114510920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 103, 164, 205, 206, 328, 410, 412, 509, 515, 820, 824, 1018, 1030, 1640, 2036, 2060, 2545, 4072, 4120, 4223, 5090, 8446, 10180, 16892, 20360, 20869, 21115, 33784, 41738, 42230, 52427, 83476, 84460, 104345, 104854, 166952, 168920, 208690, 209708, 262135, 417380, 419416, 524270, 834760, 1048540, 2097080, 2149507, 4299014, 8598028, 10747535, 17196056, 21495070, 42990140, 85980280]

約数ペア:

[(1, 85980280), (2, 42990140), (4, 21495070), (5, 17196056), (8, 10747535), (10, 8598028), (20, 4299014), (40, 2149507), (41, 2097080), (82, 1048540), (103, 834760), (164, 524270), (205, 419416), (206, 417380), (328, 262135), (410, 209708), (412, 208690), (509, 168920), (515, 166952), (820, 104854), (824, 104345), (1018, 84460), (1030, 83476), (1640, 52427), (2036, 42230), (2060, 41738), (2545, 33784), (4072, 21115), (4120, 20869), (4223, 20360), (5090, 16892), (8446, 10180)]