20133039280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8118161}}^1$

素因数の和:8118205

約数の個数: 40

約数和(自身を含む): 48319300224

約数和(自身を除く): 28186260944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 8118161, 16236322, 32472644, 40590805, 64945288, 81181610, 129890576, 162363220, 251662991, 324726440, 503325982, 649452880, 1006651964, 1258314955, 2013303928, 2516629910, 4026607856, 5033259820, 10066519640, 20133039280]

約数ペア:

[(1, 20133039280), (2, 10066519640), (4, 5033259820), (5, 4026607856), (8, 2516629910), (10, 2013303928), (16, 1258314955), (20, 1006651964), (31, 649452880), (40, 503325982), (62, 324726440), (80, 251662991), (124, 162363220), (155, 129890576), (248, 81181610), (310, 64945288), (496, 40590805), (620, 32472644), (1240, 16236322), (2480, 8118161)]