889983528880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{156687241}}^1$

素因数の和:156687325

約数の個数: 40

約数和(自身を含む): 2098355544864

約数和(自身を除く): 1208372015984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 156687241, 313374482, 626748964, 783436205, 1253497928, 1566872410, 2506995856, 3133744820, 6267489640, 11124794111, 12534979280, 22249588222, 44499176444, 55623970555, 88998352888, 111247941110, 177996705776, 222495882220, 444991764440, 889983528880]

約数ペア:

[(1, 889983528880), (2, 444991764440), (4, 222495882220), (5, 177996705776), (8, 111247941110), (10, 88998352888), (16, 55623970555), (20, 44499176444), (40, 22249588222), (71, 12534979280), (80, 11124794111), (142, 6267489640), (284, 3133744820), (355, 2506995856), (568, 1566872410), (710, 1253497928), (1136, 783436205), (1420, 626748964), (2840, 313374482), (5680, 156687241)]