68720275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{599}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 92181600

約数和(自身を除く): 23461325

約数列:

[1, 5, 13, 25, 65, 325, 353, 599, 1765, 2995, 4589, 7787, 8825, 14975, 22945, 38935, 114725, 194675, 211447, 1057235, 2748811, 5286175, 13744055, 68720275]

約数ペア:

[(1, 68720275), (5, 13744055), (13, 5286175), (25, 2748811), (65, 1057235), (325, 211447), (353, 194675), (599, 114725), (1765, 38935), (2995, 22945), (4589, 14975), (7787, 8825)]