65068720

素因数分解:

$2^4\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1289}}^1$

素因数の和:1933

約数の個数: 40

約数和(自身を含む): 151642080

約数和(自身を除く): 86573360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 631, 1262, 1289, 2524, 2578, 3155, 5048, 5156, 6310, 6445, 10096, 10312, 12620, 12890, 20624, 25240, 25780, 50480, 51560, 103120, 813359, 1626718, 3253436, 4066795, 6506872, 8133590, 13013744, 16267180, 32534360, 65068720]

約数ペア:

[(1, 65068720), (2, 32534360), (4, 16267180), (5, 13013744), (8, 8133590), (10, 6506872), (16, 4066795), (20, 3253436), (40, 1626718), (80, 813359), (631, 103120), (1262, 51560), (1289, 50480), (2524, 25780), (2578, 25240), (3155, 20624), (5048, 12890), (5156, 12620), (6310, 10312), (6445, 10096)]