16255640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 39160800

約数和(自身を除く): 22905160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 293, 365, 380, 584, 586, 730, 760, 1172, 1387, 1460, 1465, 2344, 2774, 2920, 2930, 5548, 5567, 5860, 6935, 11096, 11134, 11720, 13870, 21389, 22268, 27740, 27835, 42778, 44536, 55480, 55670, 85556, 106945, 111340, 171112, 213890, 222680, 406391, 427780, 812782, 855560, 1625564, 2031955, 3251128, 4063910, 8127820, 16255640]

約数ペア:

[(1, 16255640), (2, 8127820), (4, 4063910), (5, 3251128), (8, 2031955), (10, 1625564), (19, 855560), (20, 812782), (38, 427780), (40, 406391), (73, 222680), (76, 213890), (95, 171112), (146, 111340), (152, 106945), (190, 85556), (292, 55670), (293, 55480), (365, 44536), (380, 42778), (584, 27835), (586, 27740), (730, 22268), (760, 21389), (1172, 13870), (1387, 11720), (1460, 11134), (1465, 11096), (2344, 6935), (2774, 5860), (2920, 5567), (2930, 5548)]