26079280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7951}}^1$

素因数の和:8005

約数の個数: 40

約数和(自身を含む): 62121024

約数和(自身を除く): 36041744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 7951, 15902, 31804, 39755, 63608, 79510, 127216, 159020, 318040, 325991, 636080, 651982, 1303964, 1629955, 2607928, 3259910, 5215856, 6519820, 13039640, 26079280]

約数ペア:

[(1, 26079280), (2, 13039640), (4, 6519820), (5, 5215856), (8, 3259910), (10, 2607928), (16, 1629955), (20, 1303964), (40, 651982), (41, 636080), (80, 325991), (82, 318040), (164, 159020), (205, 127216), (328, 79510), (410, 63608), (656, 39755), (820, 31804), (1640, 15902), (3280, 7951)]