7860520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4793}}^1$

素因数の和:4845

約数の個数: 32

約数和(自身を含む): 18121320

約数和(自身を除く): 10260800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4793, 9586, 19172, 23965, 38344, 47930, 95860, 191720, 196513, 393026, 786052, 982565, 1572104, 1965130, 3930260, 7860520]

約数ペア:

[(1, 7860520), (2, 3930260), (4, 1965130), (5, 1572104), (8, 982565), (10, 786052), (20, 393026), (40, 196513), (41, 191720), (82, 95860), (164, 47930), (205, 38344), (328, 23965), (410, 19172), (820, 9586), (1640, 4793)]