2016016780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{2539}}^1$

素因数の和:2651

約数の個数: 72

約数和(自身を含む): 4502962800

約数和(自身を除く): 2486946020

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 1369, 2146, 2539, 2738, 4292, 5078, 5365, 5476, 6845, 10156, 10730, 12695, 13690, 21460, 25390, 27380, 39701, 50780, 73631, 79402, 93943, 147262, 158804, 187886, 198505, 294524, 368155, 375772, 397010, 469715, 736310, 794020, 939430, 1472620, 1878860, 2724347, 3475891, 5448694, 6951782, 10897388, 13621735, 13903564, 17379455, 27243470, 34758910, 54486940, 69517820, 100800839, 201601678, 403203356, 504004195, 1008008390, 2016016780]

約数ペア:

[(1, 2016016780), (2, 1008008390), (4, 504004195), (5, 403203356), (10, 201601678), (20, 100800839), (29, 69517820), (37, 54486940), (58, 34758910), (74, 27243470), (116, 17379455), (145, 13903564), (148, 13621735), (185, 10897388), (290, 6951782), (370, 5448694), (580, 3475891), (740, 2724347), (1073, 1878860), (1369, 1472620), (2146, 939430), (2539, 794020), (2738, 736310), (4292, 469715), (5078, 397010), (5365, 375772), (5476, 368155), (6845, 294524), (10156, 198505), (10730, 187886), (12695, 158804), (13690, 147262), (21460, 93943), (25390, 79402), (27380, 73631), (39701, 50780)]