15696952120

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1991999}}^1$

素因数の和:1992207

約数の個数: 32

約数和(自身を含む): 35497440000

約数和(自身を除く): 19800487880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 1991999, 3983998, 7967996, 9959995, 15935992, 19919990, 39839980, 79679960, 392423803, 784847606, 1569695212, 1962119015, 3139390424, 3924238030, 7848476060, 15696952120]

約数ペア:

[(1, 15696952120), (2, 7848476060), (4, 3924238030), (5, 3139390424), (8, 1962119015), (10, 1569695212), (20, 784847606), (40, 392423803), (197, 79679960), (394, 39839980), (788, 19919990), (985, 15935992), (1576, 9959995), (1970, 7967996), (3940, 3983998), (7880, 1991999)]