56187160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 133099200

約数和(自身を除く): 76912040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 157, 184, 230, 314, 389, 460, 628, 778, 785, 920, 1256, 1556, 1570, 1945, 3112, 3140, 3611, 3890, 6280, 7222, 7780, 8947, 14444, 15560, 17894, 18055, 28888, 35788, 36110, 44735, 61073, 71576, 72220, 89470, 122146, 144440, 178940, 244292, 305365, 357880, 488584, 610730, 1221460, 1404679, 2442920, 2809358, 5618716, 7023395, 11237432, 14046790, 28093580, 56187160]

約数ペア:

[(1, 56187160), (2, 28093580), (4, 14046790), (5, 11237432), (8, 7023395), (10, 5618716), (20, 2809358), (23, 2442920), (40, 1404679), (46, 1221460), (92, 610730), (115, 488584), (157, 357880), (184, 305365), (230, 244292), (314, 178940), (389, 144440), (460, 122146), (628, 89470), (778, 72220), (785, 71576), (920, 61073), (1256, 44735), (1556, 36110), (1570, 35788), (1945, 28888), (3112, 18055), (3140, 17894), (3611, 15560), (3890, 14444), (6280, 8947), (7222, 7780)]