161127440

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15859}}^1$

素因数の和:15999

約数の個数: 40

約数和(自身を含む): 377594880

約数和(自身を除く): 216467440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 15859, 31718, 63436, 79295, 126872, 158590, 253744, 317180, 634360, 1268720, 2014093, 4028186, 8056372, 10070465, 16112744, 20140930, 32225488, 40281860, 80563720, 161127440]

約数ペア:

[(1, 161127440), (2, 80563720), (4, 40281860), (5, 32225488), (8, 20140930), (10, 16112744), (16, 10070465), (20, 8056372), (40, 4028186), (80, 2014093), (127, 1268720), (254, 634360), (508, 317180), (635, 253744), (1016, 158590), (1270, 126872), (2032, 79295), (2540, 63436), (5080, 31718), (10160, 15859)]