25840040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28087}}^1$

素因数の和:28121

約数の個数: 32

約数和(自身を含む): 60670080

約数和(自身を除く): 34830040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 28087, 56174, 112348, 140435, 224696, 280870, 561740, 646001, 1123480, 1292002, 2584004, 3230005, 5168008, 6460010, 12920020, 25840040]

約数ペア:

[(1, 25840040), (2, 12920020), (4, 6460010), (5, 5168008), (8, 3230005), (10, 2584004), (20, 1292002), (23, 1123480), (40, 646001), (46, 561740), (92, 280870), (115, 224696), (184, 140435), (230, 112348), (460, 56174), (920, 28087)]