40554670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1987}}^1$

素因数の和:2164

約数の個数: 32

約数和(自身を含む): 79154208

約数和(自身を除く): 38599538

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 1987, 2041, 3974, 4082, 9935, 10205, 19870, 20410, 25831, 51662, 129155, 258310, 311959, 623918, 1559795, 3119590, 4055467, 8110934, 20277335, 40554670]

約数ペア:

[(1, 40554670), (2, 20277335), (5, 8110934), (10, 4055467), (13, 3119590), (26, 1559795), (65, 623918), (130, 311959), (157, 258310), (314, 129155), (785, 51662), (1570, 25831), (1987, 20410), (2041, 19870), (3974, 10205), (4082, 9935)]