2543131640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9082613}}^1$

素因数の和:9082631

約数の個数: 32

約数和(自身を含む): 6539482080

約数和(自身を除く): 3996350440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9082613, 18165226, 36330452, 45413065, 63578291, 72660904, 90826130, 127156582, 181652260, 254313164, 317891455, 363304520, 508626328, 635782910, 1271565820, 2543131640]

約数ペア:

[(1, 2543131640), (2, 1271565820), (4, 635782910), (5, 508626328), (7, 363304520), (8, 317891455), (10, 254313164), (14, 181652260), (20, 127156582), (28, 90826130), (35, 72660904), (40, 63578291), (56, 45413065), (70, 36330452), (140, 18165226), (280, 9082613)]