64721480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{30529}}^1$

素因数の和:30593

約数の個数: 32

約数和(自身を含む): 148375800

約数和(自身を除く): 83654320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 30529, 61058, 122116, 152645, 244232, 305290, 610580, 1221160, 1618037, 3236074, 6472148, 8090185, 12944296, 16180370, 32360740, 64721480]

約数ペア:

[(1, 64721480), (2, 32360740), (4, 16180370), (5, 12944296), (8, 8090185), (10, 6472148), (20, 3236074), (40, 1618037), (53, 1221160), (106, 610580), (212, 305290), (265, 244232), (424, 152645), (530, 122116), (1060, 61058), (2120, 30529)]