7830980

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1259}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 16511040

約数和(自身を除く): 8680060

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1259, 1555, 2518, 3110, 5036, 6220, 6295, 12590, 25180, 391549, 783098, 1566196, 1957745, 3915490, 7830980]

約数ペア:

[(1, 7830980), (2, 3915490), (4, 1957745), (5, 1566196), (10, 783098), (20, 391549), (311, 25180), (622, 12590), (1244, 6295), (1259, 6220), (1555, 5036), (2518, 3110)]