2017099880

素因数分解:

$2^3\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{25847}}^1$

素因数の和:27809

約数の個数: 32

約数和(自身を含む): 4540976640

約数和(自身を除く): 2523876760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1951, 3902, 7804, 9755, 15608, 19510, 25847, 39020, 51694, 78040, 103388, 129235, 206776, 258470, 516940, 1033880, 50427497, 100854994, 201709988, 252137485, 403419976, 504274970, 1008549940, 2017099880]

約数ペア:

[(1, 2017099880), (2, 1008549940), (4, 504274970), (5, 403419976), (8, 252137485), (10, 201709988), (20, 100854994), (40, 50427497), (1951, 1033880), (3902, 516940), (7804, 258470), (9755, 206776), (15608, 129235), (19510, 103388), (25847, 78040), (39020, 51694)]