28802560

素因数分解:

$2^9\times 5^1\times {\mathrm{11251}}^1$

素因数の和:11274

約数の個数: 40

約数和(自身を含む): 69064776

約数和(自身を除く): 40262216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 11251, 22502, 45004, 56255, 90008, 112510, 180016, 225020, 360032, 450040, 720064, 900080, 1440128, 1800160, 2880256, 3600320, 5760512, 7200640, 14401280, 28802560]

約数ペア:

[(1, 28802560), (2, 14401280), (4, 7200640), (5, 5760512), (8, 3600320), (10, 2880256), (16, 1800160), (20, 1440128), (32, 900080), (40, 720064), (64, 450040), (80, 360032), (128, 225020), (160, 180016), (256, 112510), (320, 90008), (512, 56255), (640, 45004), (1280, 22502), (2560, 11251)]