72280280

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{5119}}^1$

素因数の和:5483

約数の個数: 32

約数和(自身を含む): 163123200

約数和(自身を除く): 90842920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 5119, 7060, 10238, 14120, 20476, 25595, 40952, 51190, 102380, 204760, 1807007, 3614014, 7228028, 9035035, 14456056, 18070070, 36140140, 72280280]

約数ペア:

[(1, 72280280), (2, 36140140), (4, 18070070), (5, 14456056), (8, 9035035), (10, 7228028), (20, 3614014), (40, 1807007), (353, 204760), (706, 102380), (1412, 51190), (1765, 40952), (2824, 25595), (3530, 20476), (5119, 14120), (7060, 10238)]