28453120

素因数分解:

$2^8\times 5^1\times {\mathrm{22229}}^1$

素因数の和:22250

約数の個数: 36

約数和(自身を含む): 68157180

約数和(自身を除く): 39704060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22229, 44458, 88916, 111145, 177832, 222290, 355664, 444580, 711328, 889160, 1422656, 1778320, 2845312, 3556640, 5690624, 7113280, 14226560, 28453120]

約数ペア:

[(1, 28453120), (2, 14226560), (4, 7113280), (5, 5690624), (8, 3556640), (10, 2845312), (16, 1778320), (20, 1422656), (32, 889160), (40, 711328), (64, 444580), (80, 355664), (128, 222290), (160, 177832), (256, 111145), (320, 88916), (640, 44458), (1280, 22229)]