206270720

素因数分解:

$2^8\times 5^1\times {\mathrm{161149}}^1$

素因数の和:161170

約数の個数: 36

約数和(自身を含む): 494085900

約数和(自身を除く): 287815180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 161149, 322298, 644596, 805745, 1289192, 1611490, 2578384, 3222980, 5156768, 6445960, 10313536, 12891920, 20627072, 25783840, 41254144, 51567680, 103135360, 206270720]

約数ペア:

[(1, 206270720), (2, 103135360), (4, 51567680), (5, 41254144), (8, 25783840), (10, 20627072), (16, 12891920), (20, 10313536), (32, 6445960), (40, 5156768), (64, 3222980), (80, 2578384), (128, 1611490), (160, 1289192), (256, 805745), (320, 644596), (640, 322298), (1280, 161149)]