11428820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 26142480

約数和(自身を除く): 14713660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 389, 452, 565, 778, 1130, 1469, 1556, 1945, 2260, 2938, 3890, 5057, 5876, 7345, 7780, 10114, 14690, 20228, 25285, 29380, 43957, 50570, 87914, 101140, 175828, 219785, 439570, 571441, 879140, 1142882, 2285764, 2857205, 5714410, 11428820]

約数ペア:

[(1, 11428820), (2, 5714410), (4, 2857205), (5, 2285764), (10, 1142882), (13, 879140), (20, 571441), (26, 439570), (52, 219785), (65, 175828), (113, 101140), (130, 87914), (226, 50570), (260, 43957), (389, 29380), (452, 25285), (565, 20228), (778, 14690), (1130, 10114), (1469, 7780), (1556, 7345), (1945, 5876), (2260, 5057), (2938, 3890)]