2783758520

素因数分解:

$2^3\times 5^1\times {\mathrm{773}}^1\times {\mathrm{90031}}^1$

素因数の和:90815

約数の個数: 32

約数和(自身を含む): 6271629120

約数和(自身を除く): 3487870600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 773, 1546, 3092, 3865, 6184, 7730, 15460, 30920, 90031, 180062, 360124, 450155, 720248, 900310, 1800620, 3601240, 69593963, 139187926, 278375852, 347969815, 556751704, 695939630, 1391879260, 2783758520]

約数ペア:

[(1, 2783758520), (2, 1391879260), (4, 695939630), (5, 556751704), (8, 347969815), (10, 278375852), (20, 139187926), (40, 69593963), (773, 3601240), (1546, 1800620), (3092, 900310), (3865, 720248), (6184, 450155), (7730, 360124), (15460, 180062), (30920, 90031)]