81025570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{881}}^1$

素因数の和:1446

約数の個数: 32

約数和(自身を含む): 154886256

約数和(自身を除く): 73860686

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 541, 881, 1082, 1762, 2705, 4405, 5410, 8810, 9197, 14977, 18394, 29954, 45985, 74885, 91970, 149770, 476621, 953242, 2383105, 4766210, 8102557, 16205114, 40512785, 81025570]

約数ペア:

[(1, 81025570), (2, 40512785), (5, 16205114), (10, 8102557), (17, 4766210), (34, 2383105), (85, 953242), (170, 476621), (541, 149770), (881, 91970), (1082, 74885), (1762, 45985), (2705, 29954), (4405, 18394), (5410, 14977), (8810, 9197)]