65163160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{479}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 155520000

約数和(自身を除く): 90356840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 179, 190, 358, 380, 479, 716, 760, 895, 958, 1432, 1790, 1916, 2395, 3401, 3580, 3832, 4790, 6802, 7160, 9101, 9580, 13604, 17005, 18202, 19160, 27208, 34010, 36404, 45505, 68020, 72808, 85741, 91010, 136040, 171482, 182020, 342964, 364040, 428705, 685928, 857410, 1629079, 1714820, 3258158, 3429640, 6516316, 8145395, 13032632, 16290790, 32581580, 65163160]

約数ペア:

[(1, 65163160), (2, 32581580), (4, 16290790), (5, 13032632), (8, 8145395), (10, 6516316), (19, 3429640), (20, 3258158), (38, 1714820), (40, 1629079), (76, 857410), (95, 685928), (152, 428705), (179, 364040), (190, 342964), (358, 182020), (380, 171482), (479, 136040), (716, 91010), (760, 85741), (895, 72808), (958, 68020), (1432, 45505), (1790, 36404), (1916, 34010), (2395, 27208), (3401, 19160), (3580, 18202), (3832, 17005), (4790, 13604), (6802, 9580), (7160, 9101)]