40246280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23399}}^1$

素因数の和:23453

約数の個数: 32

約数和(自身を含む): 92664000

約数和(自身を除く): 52417720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23399, 46798, 93596, 116995, 187192, 233990, 467980, 935960, 1006157, 2012314, 4024628, 5030785, 8049256, 10061570, 20123140, 40246280]

約数ペア:

[(1, 40246280), (2, 20123140), (4, 10061570), (5, 8049256), (8, 5030785), (10, 4024628), (20, 2012314), (40, 1006157), (43, 935960), (86, 467980), (172, 233990), (215, 187192), (344, 116995), (430, 93596), (860, 46798), (1720, 23399)]