91601920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17891}}^1$

素因数の和:17916

約数の個数: 44

約数和(自身を含む): 219749544

約数和(自身を除く): 128147624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 17891, 35782, 71564, 89455, 143128, 178910, 286256, 357820, 572512, 715640, 1145024, 1431280, 2290048, 2862560, 4580096, 5725120, 9160192, 11450240, 18320384, 22900480, 45800960, 91601920]

約数ペア:

[(1, 91601920), (2, 45800960), (4, 22900480), (5, 18320384), (8, 11450240), (10, 9160192), (16, 5725120), (20, 4580096), (32, 2862560), (40, 2290048), (64, 1431280), (80, 1145024), (128, 715640), (160, 572512), (256, 357820), (320, 286256), (512, 178910), (640, 143128), (1024, 89455), (1280, 71564), (2560, 35782), (5120, 17891)]