12815840

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 30518208

約数和(自身を除く): 17702368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 463, 692, 865, 926, 1384, 1730, 1852, 2315, 2768, 3460, 3704, 4630, 5536, 6920, 7408, 9260, 13840, 14816, 18520, 27680, 37040, 74080, 80099, 160198, 320396, 400495, 640792, 800990, 1281584, 1601980, 2563168, 3203960, 6407920, 12815840]

約数ペア:

[(1, 12815840), (2, 6407920), (4, 3203960), (5, 2563168), (8, 1601980), (10, 1281584), (16, 800990), (20, 640792), (32, 400495), (40, 320396), (80, 160198), (160, 80099), (173, 74080), (346, 37040), (463, 27680), (692, 18520), (865, 14816), (926, 13840), (1384, 9260), (1730, 7408), (1852, 6920), (2315, 5536), (2768, 4630), (3460, 3704)]