130006520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{464309}}^1$

素因数の和:464327

約数の個数: 32

約数和(自身を含む): 334303200

約数和(自身を除く): 204296680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 464309, 928618, 1857236, 2321545, 3250163, 3714472, 4643090, 6500326, 9286180, 13000652, 16250815, 18572360, 26001304, 32501630, 65003260, 130006520]

約数ペア:

[(1, 130006520), (2, 65003260), (4, 32501630), (5, 26001304), (7, 18572360), (8, 16250815), (10, 13000652), (14, 9286180), (20, 6500326), (28, 4643090), (35, 3714472), (40, 3250163), (56, 2321545), (70, 1857236), (140, 928618), (280, 464309)]