128164280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139309}}^1$

素因数の和:139343

約数の個数: 32

約数和(自身を含む): 300909600

約数和(自身を除く): 172745320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 139309, 278618, 557236, 696545, 1114472, 1393090, 2786180, 3204107, 5572360, 6408214, 12816428, 16020535, 25632856, 32041070, 64082140, 128164280]

約数ペア:

[(1, 128164280), (2, 64082140), (4, 32041070), (5, 25632856), (8, 16020535), (10, 12816428), (20, 6408214), (23, 5572360), (40, 3204107), (46, 2786180), (92, 1393090), (115, 1114472), (184, 696545), (230, 557236), (460, 278618), (920, 139309)]