51263360

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 123526080

約数和(自身を除く): 72262720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 320, 346, 463, 640, 692, 865, 926, 1384, 1730, 1852, 2315, 2768, 3460, 3704, 4630, 5536, 6920, 7408, 9260, 11072, 13840, 14816, 18520, 22144, 27680, 29632, 37040, 55360, 59264, 74080, 80099, 110720, 148160, 160198, 296320, 320396, 400495, 640792, 800990, 1281584, 1601980, 2563168, 3203960, 5126336, 6407920, 10252672, 12815840, 25631680, 51263360]

約数ペア:

[(1, 51263360), (2, 25631680), (4, 12815840), (5, 10252672), (8, 6407920), (10, 5126336), (16, 3203960), (20, 2563168), (32, 1601980), (40, 1281584), (64, 800990), (80, 640792), (128, 400495), (160, 320396), (173, 296320), (320, 160198), (346, 148160), (463, 110720), (640, 80099), (692, 74080), (865, 59264), (926, 55360), (1384, 37040), (1730, 29632), (1852, 27680), (2315, 22144), (2768, 18520), (3460, 14816), (3704, 13840), (4630, 11072), (5536, 9260), (6920, 7408)]