6638120

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{631}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 15016320

約数和(自身を除く): 8378200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 631, 1052, 1262, 1315, 2104, 2524, 2630, 3155, 5048, 5260, 6310, 10520, 12620, 25240, 165953, 331906, 663812, 829765, 1327624, 1659530, 3319060, 6638120]

約数ペア:

[(1, 6638120), (2, 3319060), (4, 1659530), (5, 1327624), (8, 829765), (10, 663812), (20, 331906), (40, 165953), (263, 25240), (526, 12620), (631, 10520), (1052, 6310), (1262, 5260), (1315, 5048), (2104, 3155), (2524, 2630)]