25308590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 47472480

約数和(自身を除く): 22163890

約数列:

[1, 2, 5, 10, 29, 58, 145, 197, 290, 394, 443, 886, 985, 1970, 2215, 4430, 5713, 11426, 12847, 25694, 28565, 57130, 64235, 87271, 128470, 174542, 436355, 872710, 2530859, 5061718, 12654295, 25308590]

約数ペア:

[(1, 25308590), (2, 12654295), (5, 5061718), (10, 2530859), (29, 872710), (58, 436355), (145, 174542), (197, 128470), (290, 87271), (394, 64235), (443, 57130), (886, 28565), (985, 25694), (1970, 12847), (2215, 11426), (4430, 5713)]