69528880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12241}}^1$

素因数の和:12325

約数の個数: 40

約数和(自身を含む): 163944864

約数和(自身を除く): 94415984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 12241, 24482, 48964, 61205, 97928, 122410, 195856, 244820, 489640, 869111, 979280, 1738222, 3476444, 4345555, 6952888, 8691110, 13905776, 17382220, 34764440, 69528880]

約数ペア:

[(1, 69528880), (2, 34764440), (4, 17382220), (5, 13905776), (8, 8691110), (10, 6952888), (16, 4345555), (20, 3476444), (40, 1738222), (71, 979280), (80, 869111), (142, 489640), (284, 244820), (355, 195856), (568, 122410), (710, 97928), (1136, 61205), (1420, 48964), (2840, 24482), (5680, 12241)]