28068280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30509}}^1$

素因数の和:30543

約数の個数: 32

約数和(自身を含む): 65901600

約数和(自身を除く): 37833320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 30509, 61018, 122036, 152545, 244072, 305090, 610180, 701707, 1220360, 1403414, 2806828, 3508535, 5613656, 7017070, 14034140, 28068280]

約数ペア:

[(1, 28068280), (2, 14034140), (4, 7017070), (5, 5613656), (8, 3508535), (10, 2806828), (20, 1403414), (23, 1220360), (40, 701707), (46, 610180), (92, 305090), (115, 244072), (184, 152545), (230, 122036), (460, 61018), (920, 30509)]