47998040

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{7643}}^1$

素因数の和:7811

約数の個数: 32

約数和(自身を含む): 108697680

約数和(自身を除く): 60699640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 7643, 15286, 30572, 38215, 61144, 76430, 152860, 305720, 1199951, 2399902, 4799804, 5999755, 9599608, 11999510, 23999020, 47998040]

約数ペア:

[(1, 47998040), (2, 23999020), (4, 11999510), (5, 9599608), (8, 5999755), (10, 4799804), (20, 2399902), (40, 1199951), (157, 305720), (314, 152860), (628, 76430), (785, 61144), (1256, 38215), (1570, 30572), (3140, 15286), (6280, 7643)]