15767320

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{983}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 35601120

約数和(自身を除く): 19833800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 983, 1604, 1966, 2005, 3208, 3932, 4010, 4915, 7864, 8020, 9830, 16040, 19660, 39320, 394183, 788366, 1576732, 1970915, 3153464, 3941830, 7883660, 15767320]

約数ペア:

[(1, 15767320), (2, 7883660), (4, 3941830), (5, 3153464), (8, 1970915), (10, 1576732), (20, 788366), (40, 394183), (401, 39320), (802, 19660), (983, 16040), (1604, 9830), (1966, 8020), (2005, 7864), (3208, 4915), (3932, 4010)]