30628580

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3119}}^1$

素因数の和:3619

約数の個数: 24

約数和(自身を含む): 64471680

約数和(自身を除く): 33843100

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 3119, 4910, 6238, 9820, 12476, 15595, 31190, 62380, 1531429, 3062858, 6125716, 7657145, 15314290, 30628580]

約数ペア:

[(1, 30628580), (2, 15314290), (4, 7657145), (5, 6125716), (10, 3062858), (20, 1531429), (491, 62380), (982, 31190), (1964, 15595), (2455, 12476), (3119, 9820), (4910, 6238)]