2016199625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{857}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 2891116800

約数和(自身を除く): 874917175

約数列:

[1, 5, 11, 25, 29, 55, 59, 125, 145, 275, 295, 319, 649, 725, 857, 1375, 1475, 1595, 1711, 3245, 3625, 4285, 7375, 7975, 8555, 9427, 16225, 18821, 21425, 24853, 39875, 42775, 47135, 50563, 81125, 94105, 107125, 124265, 213875, 235675, 252815, 273383, 470525, 556193, 621325, 1178375, 1264075, 1366915, 1466327, 2352625, 2780965, 3106625, 6320375, 6834575, 7331635, 13904825, 16129597, 34172875, 36658175, 69524125, 80647985, 183290875, 403239925, 2016199625]

約数ペア:

[(1, 2016199625), (5, 403239925), (11, 183290875), (25, 80647985), (29, 69524125), (55, 36658175), (59, 34172875), (125, 16129597), (145, 13904825), (275, 7331635), (295, 6834575), (319, 6320375), (649, 3106625), (725, 2780965), (857, 2352625), (1375, 1466327), (1475, 1366915), (1595, 1264075), (1711, 1178375), (3245, 621325), (3625, 556193), (4285, 470525), (7375, 273383), (7975, 252815), (8555, 235675), (9427, 213875), (16225, 124265), (18821, 107125), (21425, 94105), (24853, 81125), (39875, 50563), (42775, 47135)]