55405480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2267}}^1$

素因数の和:2338

約数の個数: 64

約数和(自身を含む): 137168640

約数和(自身を除く): 81763160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2267, 2444, 3055, 4534, 4888, 6110, 9068, 11335, 12220, 18136, 22670, 24440, 29471, 45340, 58942, 90680, 106549, 117884, 147355, 213098, 235768, 294710, 426196, 532745, 589420, 852392, 1065490, 1178840, 1385137, 2130980, 2770274, 4261960, 5540548, 6925685, 11081096, 13851370, 27702740, 55405480]

約数ペア:

[(1, 55405480), (2, 27702740), (4, 13851370), (5, 11081096), (8, 6925685), (10, 5540548), (13, 4261960), (20, 2770274), (26, 2130980), (40, 1385137), (47, 1178840), (52, 1065490), (65, 852392), (94, 589420), (104, 532745), (130, 426196), (188, 294710), (235, 235768), (260, 213098), (376, 147355), (470, 117884), (520, 106549), (611, 90680), (940, 58942), (1222, 45340), (1880, 29471), (2267, 24440), (2444, 22670), (3055, 18136), (4534, 12220), (4888, 11335), (6110, 9068)]