78187240

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{6907}}^1$

素因数の和:7201

約数の個数: 32

約数和(自身を含む): 176568480

約数和(自身を除く): 98381240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 6907, 11320, 13814, 27628, 34535, 55256, 69070, 138140, 276280, 1954681, 3909362, 7818724, 9773405, 15637448, 19546810, 39093620, 78187240]

約数ペア:

[(1, 78187240), (2, 39093620), (4, 19546810), (5, 15637448), (8, 9773405), (10, 7818724), (20, 3909362), (40, 1954681), (283, 276280), (566, 138140), (1132, 69070), (1415, 55256), (2264, 34535), (2830, 27628), (5660, 13814), (6907, 11320)]