2557240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9133}}^1$

素因数の和:9151

約数の個数: 32

約数和(自身を含む): 6576480

約数和(自身を除く): 4019240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9133, 18266, 36532, 45665, 63931, 73064, 91330, 127862, 182660, 255724, 319655, 365320, 511448, 639310, 1278620, 2557240]

約数ペア:

[(1, 2557240), (2, 1278620), (4, 639310), (5, 511448), (7, 365320), (8, 319655), (10, 255724), (14, 182660), (20, 127862), (28, 91330), (35, 73064), (40, 63931), (56, 45665), (70, 36532), (140, 18266), (280, 9133)]