1876520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 4324320

約数和(自身を除く): 2447800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1091, 1720, 2182, 4364, 5455, 8728, 10910, 21820, 43640, 46913, 93826, 187652, 234565, 375304, 469130, 938260, 1876520]

約数ペア:

[(1, 1876520), (2, 938260), (4, 469130), (5, 375304), (8, 234565), (10, 187652), (20, 93826), (40, 46913), (43, 43640), (86, 21820), (172, 10910), (215, 8728), (344, 5455), (430, 4364), (860, 2182), (1091, 1720)]