25212740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2467}}^1$

素因数の和:2556

約数の個数: 48

約数和(自身を含む): 61364352

約数和(自身を除く): 36151612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2467, 2555, 4934, 5110, 9868, 10220, 12335, 17269, 24670, 34538, 49340, 69076, 86345, 172690, 180091, 345380, 360182, 720364, 900455, 1260637, 1800910, 2521274, 3601820, 5042548, 6303185, 12606370, 25212740]

約数ペア:

[(1, 25212740), (2, 12606370), (4, 6303185), (5, 5042548), (7, 3601820), (10, 2521274), (14, 1800910), (20, 1260637), (28, 900455), (35, 720364), (70, 360182), (73, 345380), (140, 180091), (146, 172690), (292, 86345), (365, 69076), (511, 49340), (730, 34538), (1022, 24670), (1460, 17269), (2044, 12335), (2467, 10220), (2555, 9868), (4934, 5110)]