16000640

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1087}}^1$

素因数の和:1129

約数の個数: 64

約数和(自身を含む): 39951360

約数和(自身を除く): 23950720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1087, 1472, 1840, 2174, 2944, 3680, 4348, 5435, 7360, 8696, 10870, 14720, 17392, 21740, 25001, 34784, 43480, 50002, 69568, 86960, 100004, 125005, 139136, 173920, 200008, 250010, 347840, 400016, 500020, 695680, 800032, 1000040, 1600064, 2000080, 3200128, 4000160, 8000320, 16000640]

約数ペア:

[(1, 16000640), (2, 8000320), (4, 4000160), (5, 3200128), (8, 2000080), (10, 1600064), (16, 1000040), (20, 800032), (23, 695680), (32, 500020), (40, 400016), (46, 347840), (64, 250010), (80, 200008), (92, 173920), (115, 139136), (128, 125005), (160, 100004), (184, 86960), (230, 69568), (320, 50002), (368, 43480), (460, 34784), (640, 25001), (736, 21740), (920, 17392), (1087, 14720), (1472, 10870), (1840, 8696), (2174, 7360), (2944, 5435), (3680, 4348)]