1330708520

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{61493}}^1$

素因数の和:62045

約数の個数: 32

約数和(自身を含む): 2999677320

約数和(自身を除く): 1668968800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 10820, 21640, 61493, 122986, 245972, 307465, 491944, 614930, 1229860, 2459720, 33267713, 66535426, 133070852, 166338565, 266141704, 332677130, 665354260, 1330708520]

約数ペア:

[(1, 1330708520), (2, 665354260), (4, 332677130), (5, 266141704), (8, 166338565), (10, 133070852), (20, 66535426), (40, 33267713), (541, 2459720), (1082, 1229860), (2164, 614930), (2705, 491944), (4328, 307465), (5410, 245972), (10820, 122986), (21640, 61493)]