47998840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16901}}^1$

素因数の和:16983

約数の個数: 32

約数和(自身を含む): 109524960

約数和(自身を除く): 61526120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 16901, 33802, 67604, 84505, 135208, 169010, 338020, 676040, 1199971, 2399942, 4799884, 5999855, 9599768, 11999710, 23999420, 47998840]

約数ペア:

[(1, 47998840), (2, 23999420), (4, 11999710), (5, 9599768), (8, 5999855), (10, 4799884), (20, 2399942), (40, 1199971), (71, 676040), (142, 338020), (284, 169010), (355, 135208), (568, 84505), (710, 67604), (1420, 33802), (2840, 16901)]