208017520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{863}}^1$

素因数の和:1030

約数の個数: 80

約数和(自身を含む): 509110272

約数和(自身を除く): 301092752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 131, 184, 230, 262, 368, 460, 524, 655, 863, 920, 1048, 1310, 1726, 1840, 2096, 2620, 3013, 3452, 4315, 5240, 6026, 6904, 8630, 10480, 12052, 13808, 15065, 17260, 19849, 24104, 30130, 34520, 39698, 48208, 60260, 69040, 79396, 99245, 113053, 120520, 158792, 198490, 226106, 241040, 317584, 396980, 452212, 565265, 793960, 904424, 1130530, 1587920, 1808848, 2261060, 2600219, 4522120, 5200438, 9044240, 10400876, 13001095, 20801752, 26002190, 41603504, 52004380, 104008760, 208017520]

約数ペア:

[(1, 208017520), (2, 104008760), (4, 52004380), (5, 41603504), (8, 26002190), (10, 20801752), (16, 13001095), (20, 10400876), (23, 9044240), (40, 5200438), (46, 4522120), (80, 2600219), (92, 2261060), (115, 1808848), (131, 1587920), (184, 1130530), (230, 904424), (262, 793960), (368, 565265), (460, 452212), (524, 396980), (655, 317584), (863, 241040), (920, 226106), (1048, 198490), (1310, 158792), (1726, 120520), (1840, 113053), (2096, 99245), (2620, 79396), (3013, 69040), (3452, 60260), (4315, 48208), (5240, 39698), (6026, 34520), (6904, 30130), (8630, 24104), (10480, 19849), (12052, 17260), (13808, 15065)]