53106820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1301}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 120961008

約数和(自身を除く): 67854188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1301, 1570, 2041, 2602, 3140, 4082, 5204, 6505, 8164, 10205, 13010, 16913, 20410, 26020, 33826, 40820, 67652, 84565, 169130, 204257, 338260, 408514, 817028, 1021285, 2042570, 2655341, 4085140, 5310682, 10621364, 13276705, 26553410, 53106820]

約数ペア:

[(1, 53106820), (2, 26553410), (4, 13276705), (5, 10621364), (10, 5310682), (13, 4085140), (20, 2655341), (26, 2042570), (52, 1021285), (65, 817028), (130, 408514), (157, 338260), (260, 204257), (314, 169130), (628, 84565), (785, 67652), (1301, 40820), (1570, 33826), (2041, 26020), (2602, 20410), (3140, 16913), (4082, 13010), (5204, 10205), (6505, 8164)]