84010520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{443}}^1$

素因数の和:896

約数の個数: 64

約数和(自身を含む): 207152640

約数和(自身を除く): 123142120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 431, 440, 443, 862, 886, 1724, 1772, 2155, 2215, 3448, 3544, 4310, 4430, 4741, 4873, 8620, 8860, 9482, 9746, 17240, 17720, 18964, 19492, 23705, 24365, 37928, 38984, 47410, 48730, 94820, 97460, 189640, 190933, 194920, 381866, 763732, 954665, 1527464, 1909330, 2100263, 3818660, 4200526, 7637320, 8401052, 10501315, 16802104, 21002630, 42005260, 84010520]

約数ペア:

[(1, 84010520), (2, 42005260), (4, 21002630), (5, 16802104), (8, 10501315), (10, 8401052), (11, 7637320), (20, 4200526), (22, 3818660), (40, 2100263), (44, 1909330), (55, 1527464), (88, 954665), (110, 763732), (220, 381866), (431, 194920), (440, 190933), (443, 189640), (862, 97460), (886, 94820), (1724, 48730), (1772, 47410), (2155, 38984), (2215, 37928), (3448, 24365), (3544, 23705), (4310, 19492), (4430, 18964), (4741, 17720), (4873, 17240), (8620, 9746), (8860, 9482)]