13108520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7993}}^1$

素因数の和:8045

約数の個数: 32

約数和(自身を含む): 30217320

約数和(自身を除く): 17108800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 7993, 15986, 31972, 39965, 63944, 79930, 159860, 319720, 327713, 655426, 1310852, 1638565, 2621704, 3277130, 6554260, 13108520]

約数ペア:

[(1, 13108520), (2, 6554260), (4, 3277130), (5, 2621704), (8, 1638565), (10, 1310852), (20, 655426), (40, 327713), (41, 319720), (82, 159860), (164, 79930), (205, 63944), (328, 39965), (410, 31972), (820, 15986), (1640, 7993)]