27868520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16993}}^1$

素因数の和:17045

約数の個数: 32

約数和(自身を含む): 64237320

約数和(自身を除く): 36368800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 16993, 33986, 67972, 84965, 135944, 169930, 339860, 679720, 696713, 1393426, 2786852, 3483565, 5573704, 6967130, 13934260, 27868520]

約数ペア:

[(1, 27868520), (2, 13934260), (4, 6967130), (5, 5573704), (8, 3483565), (10, 2786852), (20, 1393426), (40, 696713), (41, 679720), (82, 339860), (164, 169930), (205, 135944), (328, 84965), (410, 67972), (820, 33986), (1640, 16993)]