25334420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 56745360

約数和(自身を除く): 31410940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 269, 277, 340, 538, 554, 1076, 1108, 1345, 1385, 2690, 2770, 4573, 4709, 5380, 5540, 9146, 9418, 18292, 18836, 22865, 23545, 45730, 47090, 74513, 91460, 94180, 149026, 298052, 372565, 745130, 1266721, 1490260, 2533442, 5066884, 6333605, 12667210, 25334420]

約数ペア:

[(1, 25334420), (2, 12667210), (4, 6333605), (5, 5066884), (10, 2533442), (17, 1490260), (20, 1266721), (34, 745130), (68, 372565), (85, 298052), (170, 149026), (269, 94180), (277, 91460), (340, 74513), (538, 47090), (554, 45730), (1076, 23545), (1108, 22865), (1345, 18836), (1385, 18292), (2690, 9418), (2770, 9146), (4573, 5540), (4709, 5380)]