86564860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 185808672

約数和(自身を除く): 99243812

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 211, 281, 292, 365, 422, 562, 730, 844, 1055, 1124, 1405, 1460, 2110, 2810, 4220, 5620, 15403, 20513, 30806, 41026, 59291, 61612, 77015, 82052, 102565, 118582, 154030, 205130, 237164, 296455, 308060, 410260, 592910, 1185820, 4328243, 8656486, 17312972, 21641215, 43282430, 86564860]

約数ペア:

[(1, 86564860), (2, 43282430), (4, 21641215), (5, 17312972), (10, 8656486), (20, 4328243), (73, 1185820), (146, 592910), (211, 410260), (281, 308060), (292, 296455), (365, 237164), (422, 205130), (562, 154030), (730, 118582), (844, 102565), (1055, 82052), (1124, 77015), (1405, 61612), (1460, 59291), (2110, 41026), (2810, 30806), (4220, 20513), (5620, 15403)]