28562560

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3433}}^1$

素因数の和:3465

約数の個数: 64

約数和(自身を含む): 73556280

約数和(自身を除く): 44993720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3433, 4160, 6866, 8320, 13732, 17165, 27464, 34330, 44629, 54928, 68660, 89258, 109856, 137320, 178516, 219712, 223145, 274640, 357032, 439424, 446290, 549280, 714064, 892580, 1098560, 1428128, 1785160, 2197120, 2856256, 3570320, 5712512, 7140640, 14281280, 28562560]

約数ペア:

[(1, 28562560), (2, 14281280), (4, 7140640), (5, 5712512), (8, 3570320), (10, 2856256), (13, 2197120), (16, 1785160), (20, 1428128), (26, 1098560), (32, 892580), (40, 714064), (52, 549280), (64, 446290), (65, 439424), (80, 357032), (104, 274640), (128, 223145), (130, 219712), (160, 178516), (208, 137320), (260, 109856), (320, 89258), (416, 68660), (520, 54928), (640, 44629), (832, 34330), (1040, 27464), (1664, 17165), (2080, 13732), (3433, 8320), (4160, 6866)]