131440040

素因数分解:

$2^3\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{3023}}^1$

素因数の和:4121

約数の個数: 32

約数和(自身を含む): 296110080

約数和(自身を除く): 164670040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1087, 2174, 3023, 4348, 5435, 6046, 8696, 10870, 12092, 15115, 21740, 24184, 30230, 43480, 60460, 120920, 3286001, 6572002, 13144004, 16430005, 26288008, 32860010, 65720020, 131440040]

約数ペア:

[(1, 131440040), (2, 65720020), (4, 32860010), (5, 26288008), (8, 16430005), (10, 13144004), (20, 6572002), (40, 3286001), (1087, 120920), (2174, 60460), (3023, 43480), (4348, 30230), (5435, 24184), (6046, 21740), (8696, 15115), (10870, 12092)]