54782120

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^2\times {\mathrm{257}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 125457660

約数和(自身を除く): 70675540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 257, 292, 365, 514, 584, 730, 1028, 1285, 1460, 2056, 2570, 2920, 5140, 5329, 10280, 10658, 18761, 21316, 26645, 37522, 42632, 53290, 75044, 93805, 106580, 150088, 187610, 213160, 375220, 750440, 1369553, 2739106, 5478212, 6847765, 10956424, 13695530, 27391060, 54782120]

約数ペア:

[(1, 54782120), (2, 27391060), (4, 13695530), (5, 10956424), (8, 6847765), (10, 5478212), (20, 2739106), (40, 1369553), (73, 750440), (146, 375220), (257, 213160), (292, 187610), (365, 150088), (514, 106580), (584, 93805), (730, 75044), (1028, 53290), (1285, 42632), (1460, 37522), (2056, 26645), (2570, 21316), (2920, 18761), (5140, 10658), (5329, 10280)]