16240040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{10973}}^1$

素因数の和:11021

約数の個数: 32

約数和(自身を含む): 37531080

約数和(自身を除く): 21291040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 10973, 21946, 43892, 54865, 87784, 109730, 219460, 406001, 438920, 812002, 1624004, 2030005, 3248008, 4060010, 8120020, 16240040]

約数ペア:

[(1, 16240040), (2, 8120020), (4, 4060010), (5, 3248008), (8, 2030005), (10, 1624004), (20, 812002), (37, 438920), (40, 406001), (74, 219460), (148, 109730), (185, 87784), (296, 54865), (370, 43892), (740, 21946), (1480, 10973)]