55551320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{503}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 137168640

約数和(自身を除く): 81617320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 251, 440, 502, 503, 1004, 1006, 1255, 2008, 2012, 2510, 2515, 2761, 4024, 5020, 5030, 5522, 5533, 10040, 10060, 11044, 11066, 13805, 20120, 22088, 22132, 27610, 27665, 44264, 55220, 55330, 110440, 110660, 126253, 221320, 252506, 505012, 631265, 1010024, 1262530, 1388783, 2525060, 2777566, 5050120, 5555132, 6943915, 11110264, 13887830, 27775660, 55551320]

約数ペア:

[(1, 55551320), (2, 27775660), (4, 13887830), (5, 11110264), (8, 6943915), (10, 5555132), (11, 5050120), (20, 2777566), (22, 2525060), (40, 1388783), (44, 1262530), (55, 1010024), (88, 631265), (110, 505012), (220, 252506), (251, 221320), (440, 126253), (502, 110660), (503, 110440), (1004, 55330), (1006, 55220), (1255, 44264), (2008, 27665), (2012, 27610), (2510, 22132), (2515, 22088), (2761, 20120), (4024, 13805), (5020, 11066), (5030, 11044), (5522, 10060), (5533, 10040)]