27775660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{503}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 64012032

約数和(自身を除く): 36236372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 503, 1004, 1006, 1255, 2012, 2510, 2515, 2761, 5020, 5030, 5522, 5533, 10060, 11044, 11066, 13805, 22132, 27610, 27665, 55220, 55330, 110660, 126253, 252506, 505012, 631265, 1262530, 1388783, 2525060, 2777566, 5555132, 6943915, 13887830, 27775660]

約数ペア:

[(1, 27775660), (2, 13887830), (4, 6943915), (5, 5555132), (10, 2777566), (11, 2525060), (20, 1388783), (22, 1262530), (44, 631265), (55, 505012), (110, 252506), (220, 126253), (251, 110660), (502, 55330), (503, 55220), (1004, 27665), (1006, 27610), (1255, 22132), (2012, 13805), (2510, 11066), (2515, 11044), (2761, 10060), (5020, 5533), (5030, 5522)]