51901880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 122277600

約数和(自身を除く): 70375720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 101, 116, 145, 202, 232, 290, 404, 443, 505, 580, 808, 886, 1010, 1160, 1772, 2020, 2215, 2929, 3544, 4040, 4430, 5858, 8860, 11716, 12847, 14645, 17720, 23432, 25694, 29290, 44743, 51388, 58580, 64235, 89486, 102776, 117160, 128470, 178972, 223715, 256940, 357944, 447430, 513880, 894860, 1297547, 1789720, 2595094, 5190188, 6487735, 10380376, 12975470, 25950940, 51901880]

約数ペア:

[(1, 51901880), (2, 25950940), (4, 12975470), (5, 10380376), (8, 6487735), (10, 5190188), (20, 2595094), (29, 1789720), (40, 1297547), (58, 894860), (101, 513880), (116, 447430), (145, 357944), (202, 256940), (232, 223715), (290, 178972), (404, 128470), (443, 117160), (505, 102776), (580, 89486), (808, 64235), (886, 58580), (1010, 51388), (1160, 44743), (1772, 29290), (2020, 25694), (2215, 23432), (2929, 17720), (3544, 14645), (4040, 12847), (4430, 11716), (5858, 8860)]