13040120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6151}}^1$

素因数の和:6215

約数の個数: 32

約数和(自身を含む): 29898720

約数和(自身を除く): 16858600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 6151, 12302, 24604, 30755, 49208, 61510, 123020, 246040, 326003, 652006, 1304012, 1630015, 2608024, 3260030, 6520060, 13040120]

約数ペア:

[(1, 13040120), (2, 6520060), (4, 3260030), (5, 2608024), (8, 1630015), (10, 1304012), (20, 652006), (40, 326003), (53, 246040), (106, 123020), (212, 61510), (265, 49208), (424, 30755), (530, 24604), (1060, 12302), (2120, 6151)]