49281280

素因数分解:

$2^8\times 5^1\times {\mathrm{38501}}^1$

素因数の和:38522

約数の個数: 36

約数和(自身を含む): 118047132

約数和(自身を除く): 68765852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 38501, 77002, 154004, 192505, 308008, 385010, 616016, 770020, 1232032, 1540040, 2464064, 3080080, 4928128, 6160160, 9856256, 12320320, 24640640, 49281280]

約数ペア:

[(1, 49281280), (2, 24640640), (4, 12320320), (5, 9856256), (8, 6160160), (10, 4928128), (16, 3080080), (20, 2464064), (32, 1540040), (40, 1232032), (64, 770020), (80, 616016), (128, 385010), (160, 308008), (256, 192505), (320, 154004), (640, 77002), (1280, 38501)]