66219640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:592

約数の個数: 64

約数和(自身を含む): 154884960

約数和(自身を除く): 88665320

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 101, 148, 185, 202, 296, 370, 404, 443, 505, 740, 808, 886, 1010, 1480, 1772, 2020, 2215, 3544, 3737, 4040, 4430, 7474, 8860, 14948, 16391, 17720, 18685, 29896, 32782, 37370, 44743, 65564, 74740, 81955, 89486, 131128, 149480, 163910, 178972, 223715, 327820, 357944, 447430, 655640, 894860, 1655491, 1789720, 3310982, 6621964, 8277455, 13243928, 16554910, 33109820, 66219640]

約数ペア:

[(1, 66219640), (2, 33109820), (4, 16554910), (5, 13243928), (8, 8277455), (10, 6621964), (20, 3310982), (37, 1789720), (40, 1655491), (74, 894860), (101, 655640), (148, 447430), (185, 357944), (202, 327820), (296, 223715), (370, 178972), (404, 163910), (443, 149480), (505, 131128), (740, 89486), (808, 81955), (886, 74740), (1010, 65564), (1480, 44743), (1772, 37370), (2020, 32782), (2215, 29896), (3544, 18685), (3737, 17720), (4040, 16391), (4430, 14948), (7474, 8860)]