20180881010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{623059}}^1$

素因数の和:623186

約数の個数: 32

約数和(自身を含む): 37682668800

約数和(自身を除く): 17501787790

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 790, 3239, 6478, 16195, 32390, 623059, 1246118, 3115295, 6230590, 25545419, 49221661, 51090838, 98443322, 127727095, 246108305, 255454190, 492216610, 2018088101, 4036176202, 10090440505, 20180881010]

約数ペア:

[(1, 20180881010), (2, 10090440505), (5, 4036176202), (10, 2018088101), (41, 492216610), (79, 255454190), (82, 246108305), (158, 127727095), (205, 98443322), (395, 51090838), (410, 49221661), (790, 25545419), (3239, 6230590), (6478, 3115295), (16195, 1246118), (32390, 623059)]