28628560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15559}}^1$

素因数の和:15595

約数の個数: 40

約数和(自身を含む): 69459840

約数和(自身を除く): 40831280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15559, 31118, 62236, 77795, 124472, 155590, 248944, 311180, 357857, 622360, 715714, 1244720, 1431428, 1789285, 2862856, 3578570, 5725712, 7157140, 14314280, 28628560]

約数ペア:

[(1, 28628560), (2, 14314280), (4, 7157140), (5, 5725712), (8, 3578570), (10, 2862856), (16, 1789285), (20, 1431428), (23, 1244720), (40, 715714), (46, 622360), (80, 357857), (92, 311180), (115, 248944), (184, 155590), (230, 124472), (368, 77795), (460, 62236), (920, 31118), (1840, 15559)]