55215740

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 119720160

約数和(自身を除く): 64504420

約数列:

[1, 2, 4, 5, 10, 20, 59, 73, 118, 146, 236, 292, 295, 365, 590, 641, 730, 1180, 1282, 1460, 2564, 3205, 4307, 6410, 8614, 12820, 17228, 21535, 37819, 43070, 46793, 75638, 86140, 93586, 151276, 187172, 189095, 233965, 378190, 467930, 756380, 935860, 2760787, 5521574, 11043148, 13803935, 27607870, 55215740]

約数ペア:

[(1, 55215740), (2, 27607870), (4, 13803935), (5, 11043148), (10, 5521574), (20, 2760787), (59, 935860), (73, 756380), (118, 467930), (146, 378190), (236, 233965), (292, 189095), (295, 187172), (365, 151276), (590, 93586), (641, 86140), (730, 75638), (1180, 46793), (1282, 43070), (1460, 37819), (2564, 21535), (3205, 17228), (4307, 12820), (6410, 8614)]