64930040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231893}}^1$

素因数の和:231911

約数の個数: 32

約数和(自身を含む): 166963680

約数和(自身を除く): 102033640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231893, 463786, 927572, 1159465, 1623251, 1855144, 2318930, 3246502, 4637860, 6493004, 8116255, 9275720, 12986008, 16232510, 32465020, 64930040]

約数ペア:

[(1, 64930040), (2, 32465020), (4, 16232510), (5, 12986008), (7, 9275720), (8, 8116255), (10, 6493004), (14, 4637860), (20, 3246502), (28, 2318930), (35, 1855144), (40, 1623251), (56, 1159465), (70, 927572), (140, 463786), (280, 231893)]