254767120

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{17791}}^1$

素因数の和:17983

約数の個数: 40

約数和(自身を含む): 595676160

約数和(自身を除く): 340909040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 14320, 17791, 35582, 71164, 88955, 142328, 177910, 284656, 355820, 711640, 1423280, 3184589, 6369178, 12738356, 15922945, 25476712, 31845890, 50953424, 63691780, 127383560, 254767120]

約数ペア:

[(1, 254767120), (2, 127383560), (4, 63691780), (5, 50953424), (8, 31845890), (10, 25476712), (16, 15922945), (20, 12738356), (40, 6369178), (80, 3184589), (179, 1423280), (358, 711640), (716, 355820), (895, 284656), (1432, 177910), (1790, 142328), (2864, 88955), (3580, 71164), (7160, 35582), (14320, 17791)]