4000160

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1087}}^1$

素因数の和:1125

約数の個数: 48

約数和(自身を含む): 9870336

約数和(自身を除く): 5870176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1087, 1840, 2174, 3680, 4348, 5435, 8696, 10870, 17392, 21740, 25001, 34784, 43480, 50002, 86960, 100004, 125005, 173920, 200008, 250010, 400016, 500020, 800032, 1000040, 2000080, 4000160]

約数ペア:

[(1, 4000160), (2, 2000080), (4, 1000040), (5, 800032), (8, 500020), (10, 400016), (16, 250010), (20, 200008), (23, 173920), (32, 125005), (40, 100004), (46, 86960), (80, 50002), (92, 43480), (115, 34784), (160, 25001), (184, 21740), (230, 17392), (368, 10870), (460, 8696), (736, 5435), (920, 4348), (1087, 3680), (1840, 2174)]